Home / 2,164,501.14-2,988,777.29-1,390,516.37

Finding the Fourth Proportional to 2,164,501.14, 2,988,777.29 and 1,390,516.37

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Solution

The fourth proportional to 2,164,501.14, 2,988,777.29 and 1,390,516.37 is: 1,920,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,501.14 : 2,988,777.29 = 1,390,516.37 : x
  2. Step 2: Convert to fraction form
    2,164,501.14/2,988,777.29 = 1,390,516.37/x
  3. Step 3: Cross multiply
    2,164,501.14x = 2,988,777.29 × 1,390,516.37
  4. Step 4: Simplify right side
    2,164,501.14x = 4,155,943,737,340.68
  5. Step 5: Solve for x
    x = 4,155,943,737,340.68/2,164,501.14
  6. Step 6: Final answer
    x = 1,920,046.92

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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.