Home / 2,768,139.70-4,152,209.55-2,600,178.10

Finding the Fourth Proportional to 2,768,139.70, 4,152,209.55 and 2,600,178.10

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Solution

The fourth proportional to 2,768,139.70, 4,152,209.55 and 2,600,178.10 is: 3,900,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,139.70 : 4,152,209.55 = 2,600,178.10 : x
  2. Step 2: Convert to fraction form
    2,768,139.70/4,152,209.55 = 2,600,178.10/x
  3. Step 3: Cross multiply
    2,768,139.70x = 4,152,209.55 × 2,600,178.10
  4. Step 4: Simplify right side
    2,768,139.70x = 10,796,484,338,520.86
  5. Step 5: Solve for x
    x = 10,796,484,338,520.86/2,768,139.70
  6. Step 6: Final answer
    x = 3,900,267.15

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1.5x scale

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.