Home / 5,254,273.10-7,881,409.65-3,128,509.10

Finding the Fourth Proportional to 5,254,273.10, 7,881,409.65 and 3,128,509.10

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Solution

The fourth proportional to 5,254,273.10, 7,881,409.65 and 3,128,509.10 is: 4,692,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254,273.10 : 7,881,409.65 = 3,128,509.10 : x
  2. Step 2: Convert to fraction form
    5,254,273.10/7,881,409.65 = 3,128,509.10/x
  3. Step 3: Cross multiply
    5,254,273.10x = 7,881,409.65 × 3,128,509.10
  4. Step 4: Simplify right side
    5,254,273.10x = 24,657,061,810,852.82
  5. Step 5: Solve for x
    x = 24,657,061,810,852.82/5,254,273.10
  6. Step 6: Final answer
    x = 4,692,763.65

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Similar ratio
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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.