Home / 2,977,001.16-4,108,137.60-1,687,928.76

Finding the Fourth Proportional to 2,977,001.16, 4,108,137.60 and 1,687,928.76

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Solution

The fourth proportional to 2,977,001.16, 4,108,137.60 and 1,687,928.76 is: 2,329,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,001.16 : 4,108,137.60 = 1,687,928.76 : x
  2. Step 2: Convert to fraction form
    2,977,001.16/4,108,137.60 = 1,687,928.76/x
  3. Step 3: Cross multiply
    2,977,001.16x = 4,108,137.60 × 1,687,928.76
  4. Step 4: Simplify right side
    2,977,001.16x = 6,934,243,605,077.38
  5. Step 5: Solve for x
    x = 6,934,243,605,077.38/2,977,001.16
  6. Step 6: Final answer
    x = 2,329,271.38

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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.