Home / 2,381,830.40-3,286,929.84-1,294,106.24

Finding the Fourth Proportional to 2,381,830.40, 3,286,929.84 and 1,294,106.24

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Solution

The fourth proportional to 2,381,830.40, 3,286,929.84 and 1,294,106.24 is: 1,785,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,830.40 : 3,286,929.84 = 1,294,106.24 : x
  2. Step 2: Convert to fraction form
    2,381,830.40/3,286,929.84 = 1,294,106.24/x
  3. Step 3: Cross multiply
    2,381,830.40x = 3,286,929.84 × 1,294,106.24
  4. Step 4: Simplify right side
    2,381,830.40x = 4,253,636,416,386.20
  5. Step 5: Solve for x
    x = 4,253,636,416,386.20/2,381,830.40
  6. Step 6: Final answer
    x = 1,785,868.72

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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.