Home / 3,390,718.92-4,677,116.76-2,013,128.16

Finding the Fourth Proportional to 3,390,718.92, 4,677,116.76 and 2,013,128.16

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Solution

The fourth proportional to 3,390,718.92, 4,677,116.76 and 2,013,128.16 is: 2,776,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,718.92 : 4,677,116.76 = 2,013,128.16 : x
  2. Step 2: Convert to fraction form
    3,390,718.92/4,677,116.76 = 2,013,128.16/x
  3. Step 3: Cross multiply
    3,390,718.92x = 4,677,116.76 × 2,013,128.16
  4. Step 4: Simplify right side
    3,390,718.92x = 9,415,635,457,163.96
  5. Step 5: Solve for x
    x = 9,415,635,457,163.96/3,390,718.92
  6. Step 6: Final answer
    x = 2,776,884.69

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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.