Home / 5,521,866.60-8,277,875.10-2,155,290.60

Finding the Fourth Proportional to 5,521,866.60, 8,277,875.10 and 2,155,290.60

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Solution

The fourth proportional to 5,521,866.60, 8,277,875.10 and 2,155,290.60 is: 3,231,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521,866.60 : 8,277,875.10 = 2,155,290.60 : x
  2. Step 2: Convert to fraction form
    5,521,866.60/8,277,875.10 = 2,155,290.60/x
  3. Step 3: Cross multiply
    5,521,866.60x = 8,277,875.10 × 2,155,290.60
  4. Step 4: Simplify right side
    5,521,866.60x = 17,841,226,391,004.06
  5. Step 5: Solve for x
    x = 17,841,226,391,004.06/5,521,866.60
  6. Step 6: Final answer
    x = 3,231,013.66

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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.