Home / 2,913,149.46-4,020,385.54-1,606,657.07

Finding the Fourth Proportional to 2,913,149.46, 4,020,385.54 and 1,606,657.07

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Solution

The fourth proportional to 2,913,149.46, 4,020,385.54 and 1,606,657.07 is: 2,217,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,149.46 : 4,020,385.54 = 1,606,657.07 : x
  2. Step 2: Convert to fraction form
    2,913,149.46/4,020,385.54 = 1,606,657.07/x
  3. Step 3: Cross multiply
    2,913,149.46x = 4,020,385.54 × 1,606,657.07
  4. Step 4: Simplify right side
    2,913,149.46x = 6,459,380,851,966.77
  5. Step 5: Solve for x
    x = 6,459,380,851,966.77/2,913,149.46
  6. Step 6: Final answer
    x = 2,217,318.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.