Home / 1,935,505.86-2,671,147.50-1,161,165.70

Finding the Fourth Proportional to 1,935,505.86, 2,671,147.50 and 1,161,165.70

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Solution

The fourth proportional to 1,935,505.86, 2,671,147.50 and 1,161,165.70 is: 1,602,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935,505.86 : 2,671,147.50 = 1,161,165.70 : x
  2. Step 2: Convert to fraction form
    1,935,505.86/2,671,147.50 = 1,161,165.70/x
  3. Step 3: Cross multiply
    1,935,505.86x = 2,671,147.50 × 1,161,165.70
  4. Step 4: Simplify right side
    1,935,505.86x = 3,101,644,856,640.75
  5. Step 5: Solve for x
    x = 3,101,644,856,640.75/1,935,505.86
  6. Step 6: Final answer
    x = 1,602,498.30

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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.