Home / 2,872,920.30-3,964,642.02-1,583,732.40

Finding the Fourth Proportional to 2,872,920.30, 3,964,642.02 and 1,583,732.40

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Solution

The fourth proportional to 2,872,920.30, 3,964,642.02 and 1,583,732.40 is: 2,185,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,920.30 : 3,964,642.02 = 1,583,732.40 : x
  2. Step 2: Convert to fraction form
    2,872,920.30/3,964,642.02 = 1,583,732.40/x
  3. Step 3: Cross multiply
    2,872,920.30x = 3,964,642.02 × 1,583,732.40
  4. Step 4: Simplify right side
    2,872,920.30x = 6,278,932,021,475.45
  5. Step 5: Solve for x
    x = 6,278,932,021,475.45/2,872,920.30
  6. Step 6: Final answer
    x = 2,185,557.33

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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.