Home / 1,640,276.10-2,460,414.15-1,445,414.40

Finding the Fourth Proportional to 1,640,276.10, 2,460,414.15 and 1,445,414.40

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Solution

The fourth proportional to 1,640,276.10, 2,460,414.15 and 1,445,414.40 is: 2,168,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,276.10 : 2,460,414.15 = 1,445,414.40 : x
  2. Step 2: Convert to fraction form
    1,640,276.10/2,460,414.15 = 1,445,414.40/x
  3. Step 3: Cross multiply
    1,640,276.10x = 2,460,414.15 × 1,445,414.40
  4. Step 4: Simplify right side
    1,640,276.10x = 3,556,318,042,373.76
  5. Step 5: Solve for x
    x = 3,556,318,042,373.76/1,640,276.10
  6. Step 6: Final answer
    x = 2,168,121.60

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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.