Home / 5,216,073.45-7,823,224.40-1,377,937.64

Finding the Fourth Proportional to 5,216,073.45, 7,823,224.40 and 1,377,937.64

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Solution

The fourth proportional to 5,216,073.45, 7,823,224.40 and 1,377,937.64 is: 2,066,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,073.45 : 7,823,224.40 = 1,377,937.64 : x
  2. Step 2: Convert to fraction form
    5,216,073.45/7,823,224.40 = 1,377,937.64/x
  3. Step 3: Cross multiply
    5,216,073.45x = 7,823,224.40 × 1,377,937.64
  4. Step 4: Simplify right side
    5,216,073.45x = 10,779,915,320,920.61
  5. Step 5: Solve for x
    x = 10,779,915,320,920.61/5,216,073.45
  6. Step 6: Final answer
    x = 2,066,672.45

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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.