Home / 1,925,838.40-2,887,445.40-915,444.40

Finding the Fourth Proportional to 1,925,838.40, 2,887,445.40 and 915,444.40

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Solution

The fourth proportional to 1,925,838.40, 2,887,445.40 and 915,444.40 is: 1,372,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,838.40 : 2,887,445.40 = 915,444.40 : x
  2. Step 2: Convert to fraction form
    1,925,838.40/2,887,445.40 = 915,444.40/x
  3. Step 3: Cross multiply
    1,925,838.40x = 2,887,445.40 × 915,444.40
  4. Step 4: Simplify right side
    1,925,838.40x = 2,643,295,721,735.76
  5. Step 5: Solve for x
    x = 2,643,295,721,735.76/1,925,838.40
  6. Step 6: Final answer
    x = 1,372,542.85

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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.