Home / 3,160,165.72-4,360,561.11-1,919,130.70

Finding the Fourth Proportional to 3,160,165.72, 4,360,561.11 and 1,919,130.70

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Solution

The fourth proportional to 3,160,165.72, 4,360,561.11 and 1,919,130.70 is: 2,648,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,165.72 : 4,360,561.11 = 1,919,130.70 : x
  2. Step 2: Convert to fraction form
    3,160,165.72/4,360,561.11 = 1,919,130.70/x
  3. Step 3: Cross multiply
    3,160,165.72x = 4,360,561.11 × 1,919,130.70
  4. Step 4: Simplify right side
    3,160,165.72x = 8,368,486,685,835.20
  5. Step 5: Solve for x
    x = 8,368,486,685,835.20/3,160,165.72
  6. Step 6: Final answer
    x = 2,648,116.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.