Home / 2,947,136.76-4,420,705.12-1,053,763.36

Finding the Fourth Proportional to 2,947,136.76, 4,420,705.12 and 1,053,763.36

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Solution

The fourth proportional to 2,947,136.76, 4,420,705.12 and 1,053,763.36 is: 1,580,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,136.76 : 4,420,705.12 = 1,053,763.36 : x
  2. Step 2: Convert to fraction form
    2,947,136.76/4,420,705.12 = 1,053,763.36/x
  3. Step 3: Cross multiply
    2,947,136.76x = 4,420,705.12 × 1,053,763.36
  4. Step 4: Simplify right side
    2,947,136.76x = 4,658,377,080,820.40
  5. Step 5: Solve for x
    x = 4,658,377,080,820.40/2,947,136.76
  6. Step 6: Final answer
    x = 1,580,645.03

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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.