Home / 2,471,143.80-3,706,370.10-788,417.40

Finding the Fourth Proportional to 2,471,143.80, 3,706,370.10 and 788,417.40

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Solution

The fourth proportional to 2,471,143.80, 3,706,370.10 and 788,417.40 is: 1,182,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471,143.80 : 3,706,370.10 = 788,417.40 : x
  2. Step 2: Convert to fraction form
    2,471,143.80/3,706,370.10 = 788,417.40/x
  3. Step 3: Cross multiply
    2,471,143.80x = 3,706,370.10 × 788,417.40
  4. Step 4: Simplify right side
    2,471,143.80x = 2,922,166,677,679.74
  5. Step 5: Solve for x
    x = 2,922,166,677,679.74/2,471,143.80
  6. Step 6: Final answer
    x = 1,182,515.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.