Home / 1,791,204.90-2,688,276.15-1,777,208.10

Finding the Fourth Proportional to 1,791,204.90, 2,688,276.15 and 1,777,208.10

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Solution

The fourth proportional to 1,791,204.90, 2,688,276.15 and 1,777,208.10 is: 2,667,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,204.90 : 2,688,276.15 = 1,777,208.10 : x
  2. Step 2: Convert to fraction form
    1,791,204.90/2,688,276.15 = 1,777,208.10/x
  3. Step 3: Cross multiply
    1,791,204.90x = 2,688,276.15 × 1,777,208.10
  4. Step 4: Simplify right side
    1,791,204.90x = 4,777,626,148,816.82
  5. Step 5: Solve for x
    x = 4,777,626,148,816.82/1,791,204.90
  6. Step 6: Final answer
    x = 2,667,269.47

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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.