Home / 1,538,774.68-2,308,158.92-1,445,135.45

Finding the Fourth Proportional to 1,538,774.68, 2,308,158.92 and 1,445,135.45

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Solution

The fourth proportional to 1,538,774.68, 2,308,158.92 and 1,445,135.45 is: 2,167,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,774.68 : 2,308,158.92 = 1,445,135.45 : x
  2. Step 2: Convert to fraction form
    1,538,774.68/2,308,158.92 = 1,445,135.45/x
  3. Step 3: Cross multiply
    1,538,774.68x = 2,308,158.92 × 1,445,135.45
  4. Step 4: Simplify right side
    1,538,774.68x = 3,335,602,279,525.71
  5. Step 5: Solve for x
    x = 3,335,602,279,525.71/1,538,774.68
  6. Step 6: Final answer
    x = 2,167,700.26

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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.