Home / 3,013,715.13-4,157,270.46-1,909,123.65

Finding the Fourth Proportional to 3,013,715.13, 4,157,270.46 and 1,909,123.65

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Solution

The fourth proportional to 3,013,715.13, 4,157,270.46 and 1,909,123.65 is: 2,633,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013,715.13 : 4,157,270.46 = 1,909,123.65 : x
  2. Step 2: Convert to fraction form
    3,013,715.13/4,157,270.46 = 1,909,123.65/x
  3. Step 3: Cross multiply
    3,013,715.13x = 4,157,270.46 × 1,909,123.65
  4. Step 4: Simplify right side
    3,013,715.13x = 7,936,743,354,632.38
  5. Step 5: Solve for x
    x = 7,936,743,354,632.38/3,013,715.13
  6. Step 6: Final answer
    x = 2,633,541.33

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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.