Home / 2,430,390.60-3,640,337.10-2,115,462.60

Finding the Fourth Proportional to 2,430,390.60, 3,640,337.10 and 2,115,462.60

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Solution

The fourth proportional to 2,430,390.60, 3,640,337.10 and 2,115,462.60 is: 3,168,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430,390.60 : 3,640,337.10 = 2,115,462.60 : x
  2. Step 2: Convert to fraction form
    2,430,390.60/3,640,337.10 = 2,115,462.60/x
  3. Step 3: Cross multiply
    2,430,390.60x = 3,640,337.10 × 2,115,462.60
  4. Step 4: Simplify right side
    2,430,390.60x = 7,700,996,986,442.46
  5. Step 5: Solve for x
    x = 7,700,996,986,442.46/2,430,390.60
  6. Step 6: Final answer
    x = 3,168,625.24

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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.