Home / 2,911,873.38-4,018,389.12-1,622,685.48

Finding the Fourth Proportional to 2,911,873.38, 4,018,389.12 and 1,622,685.48

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Solution

The fourth proportional to 2,911,873.38, 4,018,389.12 and 1,622,685.48 is: 2,239,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,873.38 : 4,018,389.12 = 1,622,685.48 : x
  2. Step 2: Convert to fraction form
    2,911,873.38/4,018,389.12 = 1,622,685.48/x
  3. Step 3: Cross multiply
    2,911,873.38x = 4,018,389.12 × 1,622,685.48
  4. Step 4: Simplify right side
    2,911,873.38x = 6,520,581,678,013.98
  5. Step 5: Solve for x
    x = 6,520,581,678,013.98/2,911,873.38
  6. Step 6: Final answer
    x = 2,239,308.11

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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.