Home / 2,152,011.40-2,968,686.12-1,336,697.80

Finding the Fourth Proportional to 2,152,011.40, 2,968,686.12 and 1,336,697.80

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Solution

The fourth proportional to 2,152,011.40, 2,968,686.12 and 1,336,697.80 is: 1,843,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,011.40 : 2,968,686.12 = 1,336,697.80 : x
  2. Step 2: Convert to fraction form
    2,152,011.40/2,968,686.12 = 1,336,697.80/x
  3. Step 3: Cross multiply
    2,152,011.40x = 2,968,686.12 × 1,336,697.80
  4. Step 4: Simplify right side
    2,152,011.40x = 3,968,236,205,494.54
  5. Step 5: Solve for x
    x = 3,968,236,205,494.54/2,152,011.40
  6. Step 6: Final answer
    x = 1,843,966.16

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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.