Home / 4,312,043.40-6,465,732.30-1,787,953.80

Finding the Fourth Proportional to 4,312,043.40, 6,465,732.30 and 1,787,953.80

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Solution

The fourth proportional to 4,312,043.40, 6,465,732.30 and 1,787,953.80 is: 2,680,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312,043.40 : 6,465,732.30 = 1,787,953.80 : x
  2. Step 2: Convert to fraction form
    4,312,043.40/6,465,732.30 = 1,787,953.80/x
  3. Step 3: Cross multiply
    4,312,043.40x = 6,465,732.30 × 1,787,953.80
  4. Step 4: Simplify right side
    4,312,043.40x = 11,560,430,635,567.74
  5. Step 5: Solve for x
    x = 11,560,430,635,567.74/4,312,043.40
  6. Step 6: Final answer
    x = 2,680,963.42

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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.