Home / 2,862,798.91-3,950,670.69-1,639,123.21

Finding the Fourth Proportional to 2,862,798.91, 3,950,670.69 and 1,639,123.21

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Solution

The fourth proportional to 2,862,798.91, 3,950,670.69 and 1,639,123.21 is: 2,261,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,798.91 : 3,950,670.69 = 1,639,123.21 : x
  2. Step 2: Convert to fraction form
    2,862,798.91/3,950,670.69 = 1,639,123.21/x
  3. Step 3: Cross multiply
    2,862,798.91x = 3,950,670.69 × 1,639,123.21
  4. Step 4: Simplify right side
    2,862,798.91x = 6,475,636,023,045.72
  5. Step 5: Solve for x
    x = 6,475,636,023,045.72/2,862,798.91
  6. Step 6: Final answer
    x = 2,261,994.72

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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.