Home / 2,819,411.40-4,229,117.10-689,516.40

Finding the Fourth Proportional to 2,819,411.40, 4,229,117.10 and 689,516.40

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Solution

The fourth proportional to 2,819,411.40, 4,229,117.10 and 689,516.40 is: 1,034,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,411.40 : 4,229,117.10 = 689,516.40 : x
  2. Step 2: Convert to fraction form
    2,819,411.40/4,229,117.10 = 689,516.40/x
  3. Step 3: Cross multiply
    2,819,411.40x = 4,229,117.10 × 689,516.40
  4. Step 4: Simplify right side
    2,819,411.40x = 2,916,045,597,970.44
  5. Step 5: Solve for x
    x = 2,916,045,597,970.44/2,819,411.40
  6. Step 6: Final answer
    x = 1,034,274.60

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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.