Home / 2,900,764.40-4,002,820.14-1,677,148.42

Finding the Fourth Proportional to 2,900,764.40, 4,002,820.14 and 1,677,148.42

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Solution

The fourth proportional to 2,900,764.40, 4,002,820.14 and 1,677,148.42 is: 2,314,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,764.40 : 4,002,820.14 = 1,677,148.42 : x
  2. Step 2: Convert to fraction form
    2,900,764.40/4,002,820.14 = 1,677,148.42/x
  3. Step 3: Cross multiply
    2,900,764.40x = 4,002,820.14 × 1,677,148.42
  4. Step 4: Simplify right side
    2,900,764.40x = 6,713,323,473,345.18
  5. Step 5: Solve for x
    x = 6,713,323,473,345.18/2,900,764.40
  6. Step 6: Final answer
    x = 2,314,329.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.