Home / 2,580,746.40-3,871,007.82-783,589.14

Finding the Fourth Proportional to 2,580,746.40, 3,871,007.82 and 783,589.14

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Solution

The fourth proportional to 2,580,746.40, 3,871,007.82 and 783,589.14 is: 1,175,349.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,746.40 : 3,871,007.82 = 783,589.14 : x
  2. Step 2: Convert to fraction form
    2,580,746.40/3,871,007.82 = 783,589.14/x
  3. Step 3: Cross multiply
    2,580,746.40x = 3,871,007.82 × 783,589.14
  4. Step 4: Simplify right side
    2,580,746.40x = 3,033,279,688,607.08
  5. Step 5: Solve for x
    x = 3,033,279,688,607.08/2,580,746.40
  6. Step 6: Final answer
    x = 1,175,349.77

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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.