Home / 1,936,590.30-2,672,439.12-1,053,511.74

Finding the Fourth Proportional to 1,936,590.30, 2,672,439.12 and 1,053,511.74

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Solution

The fourth proportional to 1,936,590.30, 2,672,439.12 and 1,053,511.74 is: 1,453,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,590.30 : 2,672,439.12 = 1,053,511.74 : x
  2. Step 2: Convert to fraction form
    1,936,590.30/2,672,439.12 = 1,053,511.74/x
  3. Step 3: Cross multiply
    1,936,590.30x = 2,672,439.12 × 1,053,511.74
  4. Step 4: Simplify right side
    1,936,590.30x = 2,815,445,987,355.27
  5. Step 5: Solve for x
    x = 2,815,445,987,355.27/1,936,590.30
  6. Step 6: Final answer
    x = 1,453,816.01

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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.