Home / 1,778,981.85-2,669,099.16-1,182,312.09

Finding the Fourth Proportional to 1,778,981.85, 2,669,099.16 and 1,182,312.09

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Solution

The fourth proportional to 1,778,981.85, 2,669,099.16 and 1,182,312.09 is: 1,773,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,981.85 : 2,669,099.16 = 1,182,312.09 : x
  2. Step 2: Convert to fraction form
    1,778,981.85/2,669,099.16 = 1,182,312.09/x
  3. Step 3: Cross multiply
    1,778,981.85x = 2,669,099.16 × 1,182,312.09
  4. Step 4: Simplify right side
    1,778,981.85x = 3,155,708,206,276.85
  5. Step 5: Solve for x
    x = 3,155,708,206,276.85/1,778,981.85
  6. Step 6: Final answer
    x = 1,773,884.43

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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.