Home / 4,013,926.76-5,539,221.83-2,178,384.56

Finding the Fourth Proportional to 4,013,926.76, 5,539,221.83 and 2,178,384.56

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Solution

The fourth proportional to 4,013,926.76, 5,539,221.83 and 2,178,384.56 is: 3,006,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013,926.76 : 5,539,221.83 = 2,178,384.56 : x
  2. Step 2: Convert to fraction form
    4,013,926.76/5,539,221.83 = 2,178,384.56/x
  3. Step 3: Cross multiply
    4,013,926.76x = 5,539,221.83 × 2,178,384.56
  4. Step 4: Simplify right side
    4,013,926.76x = 12,066,555,270,298.91
  5. Step 5: Solve for x
    x = 12,066,555,270,298.91/4,013,926.76
  6. Step 6: Final answer
    x = 3,006,172.26

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Double scale
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1.5x scale

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.