Home / 2,569,180.88-3,854,631.71-840,130.45

Finding the Fourth Proportional to 2,569,180.88, 3,854,631.71 and 840,130.45

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Solution

The fourth proportional to 2,569,180.88, 3,854,631.71 and 840,130.45 is: 1,260,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569,180.88 : 3,854,631.71 = 840,130.45 : x
  2. Step 2: Convert to fraction form
    2,569,180.88/3,854,631.71 = 840,130.45/x
  3. Step 3: Cross multiply
    2,569,180.88x = 3,854,631.71 × 840,130.45
  4. Step 4: Simplify right side
    2,569,180.88x = 3,238,393,465,570.32
  5. Step 5: Solve for x
    x = 3,238,393,465,570.32/2,569,180.88
  6. Step 6: Final answer
    x = 1,260,477.02

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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.