Home / 4,256,429.40-6,386,487.30-2,011,411.80

Finding the Fourth Proportional to 4,256,429.40, 6,386,487.30 and 2,011,411.80

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Solution

The fourth proportional to 4,256,429.40, 6,386,487.30 and 2,011,411.80 is: 3,017,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256,429.40 : 6,386,487.30 = 2,011,411.80 : x
  2. Step 2: Convert to fraction form
    4,256,429.40/6,386,487.30 = 2,011,411.80/x
  3. Step 3: Cross multiply
    4,256,429.40x = 6,386,487.30 × 2,011,411.80
  4. Step 4: Simplify right side
    4,256,429.40x = 12,845,855,915,770.14
  5. Step 5: Solve for x
    x = 12,845,855,915,770.14/4,256,429.40
  6. Step 6: Final answer
    x = 3,017,988.72

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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.