Home / 3,445,478-4,754,916.24-1,917,683.04

Finding the Fourth Proportional to 3,445,478, 4,754,916.24 and 1,917,683.04

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Solution

The fourth proportional to 3,445,478, 4,754,916.24 and 1,917,683.04 is: 2,646,489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,478 : 4,754,916.24 = 1,917,683.04 : x
  2. Step 2: Convert to fraction form
    3,445,478/4,754,916.24 = 1,917,683.04/x
  3. Step 3: Cross multiply
    3,445,478x = 4,754,916.24 × 1,917,683.04
  4. Step 4: Simplify right side
    3,445,478x = 9,118,422,230,068.57
  5. Step 5: Solve for x
    x = 9,118,422,230,068.57/3,445,478
  6. Step 6: Final answer
    x = 2,646,489.76

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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.