Home / 3,532,990.60-5,299,485.90-1,290,003.40

Finding the Fourth Proportional to 3,532,990.60, 5,299,485.90 and 1,290,003.40

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Solution

The fourth proportional to 3,532,990.60, 5,299,485.90 and 1,290,003.40 is: 1,935,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,990.60 : 5,299,485.90 = 1,290,003.40 : x
  2. Step 2: Convert to fraction form
    3,532,990.60/5,299,485.90 = 1,290,003.40/x
  3. Step 3: Cross multiply
    3,532,990.60x = 5,299,485.90 × 1,290,003.40
  4. Step 4: Simplify right side
    3,532,990.60x = 6,836,354,829,252.06
  5. Step 5: Solve for x
    x = 6,836,354,829,252.06/3,532,990.60
  6. Step 6: Final answer
    x = 1,935,005.10

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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.