Home / 3,138,693.60-4,708,040.40-2,430,105.60

Finding the Fourth Proportional to 3,138,693.60, 4,708,040.40 and 2,430,105.60

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Solution

The fourth proportional to 3,138,693.60, 4,708,040.40 and 2,430,105.60 is: 3,645,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,693.60 : 4,708,040.40 = 2,430,105.60 : x
  2. Step 2: Convert to fraction form
    3,138,693.60/4,708,040.40 = 2,430,105.60/x
  3. Step 3: Cross multiply
    3,138,693.60x = 4,708,040.40 × 2,430,105.60
  4. Step 4: Simplify right side
    3,138,693.60x = 11,441,035,341,066.24
  5. Step 5: Solve for x
    x = 11,441,035,341,066.24/3,138,693.60
  6. Step 6: Final answer
    x = 3,645,158.40

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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.