Home / 3,490,231.60-5,235,347.40-3,440,465.20

Finding the Fourth Proportional to 3,490,231.60, 5,235,347.40 and 3,440,465.20

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Solution

The fourth proportional to 3,490,231.60, 5,235,347.40 and 3,440,465.20 is: 5,160,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490,231.60 : 5,235,347.40 = 3,440,465.20 : x
  2. Step 2: Convert to fraction form
    3,490,231.60/5,235,347.40 = 3,440,465.20/x
  3. Step 3: Cross multiply
    3,490,231.60x = 5,235,347.40 × 3,440,465.20
  4. Step 4: Simplify right side
    3,490,231.60x = 18,012,030,539,610.48
  5. Step 5: Solve for x
    x = 18,012,030,539,610.48/3,490,231.60
  6. Step 6: Final answer
    x = 5,160,697.80

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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.