Home / 3,429,686.68-4,732,626.56-1,979,849.18

Finding the Fourth Proportional to 3,429,686.68, 4,732,626.56 and 1,979,849.18

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Solution

The fourth proportional to 3,429,686.68, 4,732,626.56 and 1,979,849.18 is: 2,731,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,686.68 : 4,732,626.56 = 1,979,849.18 : x
  2. Step 2: Convert to fraction form
    3,429,686.68/4,732,626.56 = 1,979,849.18/x
  3. Step 3: Cross multiply
    3,429,686.68x = 4,732,626.56 × 1,979,849.18
  4. Step 4: Simplify right side
    3,429,686.68x = 9,369,886,815,994.54
  5. Step 5: Solve for x
    x = 9,369,886,815,994.54/3,429,686.68
  6. Step 6: Final answer
    x = 2,731,994.99

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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.