Home / 1,950,498.23-2,690,510.58-1,288,214.15

Finding the Fourth Proportional to 1,950,498.23, 2,690,510.58 and 1,288,214.15

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Solution

The fourth proportional to 1,950,498.23, 2,690,510.58 and 1,288,214.15 is: 1,776,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950,498.23 : 2,690,510.58 = 1,288,214.15 : x
  2. Step 2: Convert to fraction form
    1,950,498.23/2,690,510.58 = 1,288,214.15/x
  3. Step 3: Cross multiply
    1,950,498.23x = 2,690,510.58 × 1,288,214.15
  4. Step 4: Simplify right side
    1,950,498.23x = 3,465,953,786,428.15
  5. Step 5: Solve for x
    x = 3,465,953,786,428.15/1,950,498.23
  6. Step 6: Final answer
    x = 1,776,958.19

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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.