Home / 4,013,628.14-5,538,810.38-2,178,086.45

Finding the Fourth Proportional to 4,013,628.14, 5,538,810.38 and 2,178,086.45

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Solution

The fourth proportional to 4,013,628.14, 5,538,810.38 and 2,178,086.45 is: 3,005,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013,628.14 : 5,538,810.38 = 2,178,086.45 : x
  2. Step 2: Convert to fraction form
    4,013,628.14/5,538,810.38 = 2,178,086.45/x
  3. Step 3: Cross multiply
    4,013,628.14x = 5,538,810.38 × 2,178,086.45
  4. Step 4: Simplify right side
    4,013,628.14x = 12,064,007,799,212.87
  5. Step 5: Solve for x
    x = 12,064,007,799,212.87/4,013,628.14
  6. Step 6: Final answer
    x = 3,005,761.21

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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.