Home / 2,785,399.84-4,178,099.76-1,838,549.13

Finding the Fourth Proportional to 2,785,399.84, 4,178,099.76 and 1,838,549.13

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Solution

The fourth proportional to 2,785,399.84, 4,178,099.76 and 1,838,549.13 is: 2,757,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,399.84 : 4,178,099.76 = 1,838,549.13 : x
  2. Step 2: Convert to fraction form
    2,785,399.84/4,178,099.76 = 1,838,549.13/x
  3. Step 3: Cross multiply
    2,785,399.84x = 4,178,099.76 × 1,838,549.13
  4. Step 4: Simplify right side
    2,785,399.84x = 7,681,641,678,801.21
  5. Step 5: Solve for x
    x = 7,681,641,678,801.21/2,785,399.84
  6. Step 6: Final answer
    x = 2,757,823.70

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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.