Home / 2,892,078.90-4,335,165.90-1,693,384.20

Finding the Fourth Proportional to 2,892,078.90, 4,335,165.90 and 1,693,384.20

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Solution

The fourth proportional to 2,892,078.90, 4,335,165.90 and 1,693,384.20 is: 2,538,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,078.90 : 4,335,165.90 = 1,693,384.20 : x
  2. Step 2: Convert to fraction form
    2,892,078.90/4,335,165.90 = 1,693,384.20/x
  3. Step 3: Cross multiply
    2,892,078.90x = 4,335,165.90 × 1,693,384.20
  4. Step 4: Simplify right side
    2,892,078.90x = 7,341,101,439,438.78
  5. Step 5: Solve for x
    x = 7,341,101,439,438.78/2,892,078.90
  6. Step 6: Final answer
    x = 2,538,347.57

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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.