Home / 2,977,009.16-4,108,148.64-1,687,936.76

Finding the Fourth Proportional to 2,977,009.16, 4,108,148.64 and 1,687,936.76

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Solution

The fourth proportional to 2,977,009.16, 4,108,148.64 and 1,687,936.76 is: 2,329,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,009.16 : 4,108,148.64 = 1,687,936.76 : x
  2. Step 2: Convert to fraction form
    2,977,009.16/4,108,148.64 = 1,687,936.76/x
  3. Step 3: Cross multiply
    2,977,009.16x = 4,108,148.64 × 1,687,936.76
  4. Step 4: Simplify right side
    2,977,009.16x = 6,934,295,105,000.01
  5. Step 5: Solve for x
    x = 6,934,295,105,000.01/2,977,009.16
  6. Step 6: Final answer
    x = 2,329,282.42

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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.