Home / 1,640,337.60-2,460,506.40-1,445,475.90

Finding the Fourth Proportional to 1,640,337.60, 2,460,506.40 and 1,445,475.90

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Solution

The fourth proportional to 1,640,337.60, 2,460,506.40 and 1,445,475.90 is: 2,168,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,337.60 : 2,460,506.40 = 1,445,475.90 : x
  2. Step 2: Convert to fraction form
    1,640,337.60/2,460,506.40 = 1,445,475.90/x
  3. Step 3: Cross multiply
    1,640,337.60x = 2,460,506.40 × 1,445,475.90
  4. Step 4: Simplify right side
    1,640,337.60x = 3,556,602,702,995.76
  5. Step 5: Solve for x
    x = 3,556,602,702,995.76/1,640,337.60
  6. Step 6: Final answer
    x = 2,168,213.85

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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.