Home / 5,989,123.20-8,983,684.80-1,729,430.40

Finding the Fourth Proportional to 5,989,123.20, 8,983,684.80 and 1,729,430.40

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Solution

The fourth proportional to 5,989,123.20, 8,983,684.80 and 1,729,430.40 is: 2,594,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989,123.20 : 8,983,684.80 = 1,729,430.40 : x
  2. Step 2: Convert to fraction form
    5,989,123.20/8,983,684.80 = 1,729,430.40/x
  3. Step 3: Cross multiply
    5,989,123.20x = 8,983,684.80 × 1,729,430.40
  4. Step 4: Simplify right side
    5,989,123.20x = 15,536,657,597,137.92
  5. Step 5: Solve for x
    x = 15,536,657,597,137.92/5,989,123.20
  6. Step 6: Final answer
    x = 2,594,145.60

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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.