Home / 1,647,397.56-2,470,149.92-877,947.76

Finding the Fourth Proportional to 1,647,397.56, 2,470,149.92 and 877,947.76

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Solution

The fourth proportional to 1,647,397.56, 2,470,149.92 and 877,947.76 is: 1,316,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,397.56 : 2,470,149.92 = 877,947.76 : x
  2. Step 2: Convert to fraction form
    1,647,397.56/2,470,149.92 = 877,947.76/x
  3. Step 3: Cross multiply
    1,647,397.56x = 2,470,149.92 × 877,947.76
  4. Step 4: Simplify right side
    1,647,397.56x = 2,168,662,589,128.18
  5. Step 5: Solve for x
    x = 2,168,662,589,128.18/1,647,397.56
  6. Step 6: Final answer
    x = 1,316,417.26

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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.