Home / 1,790,945.10-2,686,417.65-1,625,607.90

Finding the Fourth Proportional to 1,790,945.10, 2,686,417.65 and 1,625,607.90

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Solution

The fourth proportional to 1,790,945.10, 2,686,417.65 and 1,625,607.90 is: 2,438,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,945.10 : 2,686,417.65 = 1,625,607.90 : x
  2. Step 2: Convert to fraction form
    1,790,945.10/2,686,417.65 = 1,625,607.90/x
  3. Step 3: Cross multiply
    1,790,945.10x = 2,686,417.65 × 1,625,607.90
  4. Step 4: Simplify right side
    1,790,945.10x = 4,367,061,754,539.43
  5. Step 5: Solve for x
    x = 4,367,061,754,539.43/1,790,945.10
  6. Step 6: Final answer
    x = 2,438,411.85

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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.