Home / 3,551,985.40-5,324,478.90-1,755,146.20

Finding the Fourth Proportional to 3,551,985.40, 5,324,478.90 and 1,755,146.20

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Solution

The fourth proportional to 3,551,985.40, 5,324,478.90 and 1,755,146.20 is: 2,630,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551,985.40 : 5,324,478.90 = 1,755,146.20 : x
  2. Step 2: Convert to fraction form
    3,551,985.40/5,324,478.90 = 1,755,146.20/x
  3. Step 3: Cross multiply
    3,551,985.40x = 5,324,478.90 × 1,755,146.20
  4. Step 4: Simplify right side
    3,551,985.40x = 9,345,238,908,315.18
  5. Step 5: Solve for x
    x = 9,345,238,908,315.18/3,551,985.40
  6. Step 6: Final answer
    x = 2,630,990.24

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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.