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Finding the Fourth Proportional to 1,784,750.11, 2,672,023.95 and 1,671,622.07

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Solution

The fourth proportional to 1,784,750.11, 2,672,023.95 and 1,671,622.07 is: 2,502,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,750.11 : 2,672,023.95 = 1,671,622.07 : x
  2. Step 2: Convert to fraction form
    1,784,750.11/2,672,023.95 = 1,671,622.07/x
  3. Step 3: Cross multiply
    1,784,750.11x = 2,672,023.95 × 1,671,622.07
  4. Step 4: Simplify right side
    1,784,750.11x = 4,466,614,193,028.46
  5. Step 5: Solve for x
    x = 4,466,614,193,028.46/1,784,750.11
  6. Step 6: Final answer
    x = 2,502,655.23

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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.