Home / 2,752,095.20-4,128,142.80-1,155,803.90

Finding the Fourth Proportional to 2,752,095.20, 4,128,142.80 and 1,155,803.90

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Solution

The fourth proportional to 2,752,095.20, 4,128,142.80 and 1,155,803.90 is: 1,733,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,095.20 : 4,128,142.80 = 1,155,803.90 : x
  2. Step 2: Convert to fraction form
    2,752,095.20/4,128,142.80 = 1,155,803.90/x
  3. Step 3: Cross multiply
    2,752,095.20x = 4,128,142.80 × 1,155,803.90
  4. Step 4: Simplify right side
    2,752,095.20x = 4,771,323,547,996.92
  5. Step 5: Solve for x
    x = 4,771,323,547,996.92/2,752,095.20
  6. Step 6: Final answer
    x = 1,733,705.85

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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.