Home / 2,275,572.92-3,140,257.92-1,243,068.32

Finding the Fourth Proportional to 2,275,572.92, 3,140,257.92 and 1,243,068.32

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Solution

The fourth proportional to 2,275,572.92, 3,140,257.92 and 1,243,068.32 is: 1,715,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,572.92 : 3,140,257.92 = 1,243,068.32 : x
  2. Step 2: Convert to fraction form
    2,275,572.92/3,140,257.92 = 1,243,068.32/x
  3. Step 3: Cross multiply
    2,275,572.92x = 3,140,257.92 × 1,243,068.32
  4. Step 4: Simplify right side
    2,275,572.92x = 3,903,555,136,981.10
  5. Step 5: Solve for x
    x = 3,903,555,136,981.10/2,275,572.92
  6. Step 6: Final answer
    x = 1,715,416.41

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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.