Home / 2,952,030.70-4,428,046.05-1,689,985.90

Finding the Fourth Proportional to 2,952,030.70, 4,428,046.05 and 1,689,985.90

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Solution

The fourth proportional to 2,952,030.70, 4,428,046.05 and 1,689,985.90 is: 2,534,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,030.70 : 4,428,046.05 = 1,689,985.90 : x
  2. Step 2: Convert to fraction form
    2,952,030.70/4,428,046.05 = 1,689,985.90/x
  3. Step 3: Cross multiply
    2,952,030.70x = 4,428,046.05 × 1,689,985.90
  4. Step 4: Simplify right side
    2,952,030.70x = 7,483,335,389,050.69
  5. Step 5: Solve for x
    x = 7,483,335,389,050.69/2,952,030.70
  6. Step 6: Final answer
    x = 2,534,978.85

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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.