Home / 1,820,747.10-2,731,120.65-1,253,876.70

Finding the Fourth Proportional to 1,820,747.10, 2,731,120.65 and 1,253,876.70

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Solution

The fourth proportional to 1,820,747.10, 2,731,120.65 and 1,253,876.70 is: 1,880,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,747.10 : 2,731,120.65 = 1,253,876.70 : x
  2. Step 2: Convert to fraction form
    1,820,747.10/2,731,120.65 = 1,253,876.70/x
  3. Step 3: Cross multiply
    1,820,747.10x = 2,731,120.65 × 1,253,876.70
  4. Step 4: Simplify right side
    1,820,747.10x = 3,424,488,547,923.86
  5. Step 5: Solve for x
    x = 3,424,488,547,923.86/1,820,747.10
  6. Step 6: Final answer
    x = 1,880,815.05

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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.