Home / 6,686,145.90-10,029,218.85-1,637,456.40

Finding the Fourth Proportional to 6,686,145.90, 10,029,218.85 and 1,637,456.40

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Solution

The fourth proportional to 6,686,145.90, 10,029,218.85 and 1,637,456.40 is: 2,456,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686,145.90 : 10,029,218.85 = 1,637,456.40 : x
  2. Step 2: Convert to fraction form
    6,686,145.90/10,029,218.85 = 1,637,456.40/x
  3. Step 3: Cross multiply
    6,686,145.90x = 10,029,218.85 × 1,637,456.40
  4. Step 4: Simplify right side
    6,686,145.90x = 16,422,408,592,933.14
  5. Step 5: Solve for x
    x = 16,422,408,592,933.14/6,686,145.90
  6. Step 6: Final answer
    x = 2,456,184.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.