Home / 2,642,636.16-3,646,841.40-1,435,412.16

Finding the Fourth Proportional to 2,642,636.16, 3,646,841.40 and 1,435,412.16

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Solution

The fourth proportional to 2,642,636.16, 3,646,841.40 and 1,435,412.16 is: 1,980,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,636.16 : 3,646,841.40 = 1,435,412.16 : x
  2. Step 2: Convert to fraction form
    2,642,636.16/3,646,841.40 = 1,435,412.16/x
  3. Step 3: Cross multiply
    2,642,636.16x = 3,646,841.40 × 1,435,412.16
  4. Step 4: Simplify right side
    2,642,636.16x = 5,234,720,491,151.42
  5. Step 5: Solve for x
    x = 5,234,720,491,151.42/2,642,636.16
  6. Step 6: Final answer
    x = 1,980,870.68

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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.