Home / 5,109,061.52-7,663,592.28-2,078,076.36

Finding the Fourth Proportional to 5,109,061.52, 7,663,592.28 and 2,078,076.36

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Solution

The fourth proportional to 5,109,061.52, 7,663,592.28 and 2,078,076.36 is: 3,117,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,061.52 : 7,663,592.28 = 2,078,076.36 : x
  2. Step 2: Convert to fraction form
    5,109,061.52/7,663,592.28 = 2,078,076.36/x
  3. Step 3: Cross multiply
    5,109,061.52x = 7,663,592.28 × 2,078,076.36
  4. Step 4: Simplify right side
    5,109,061.52x = 15,925,529,949,746.50
  5. Step 5: Solve for x
    x = 15,925,529,949,746.50/5,109,061.52
  6. Step 6: Final answer
    x = 3,117,114.54

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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.