Home / 2,920,786.60-4,382,829.42-1,572,920.68

Finding the Fourth Proportional to 2,920,786.60, 4,382,829.42 and 1,572,920.68

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Solution

The fourth proportional to 2,920,786.60, 4,382,829.42 and 1,572,920.68 is: 2,360,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,786.60 : 4,382,829.42 = 1,572,920.68 : x
  2. Step 2: Convert to fraction form
    2,920,786.60/4,382,829.42 = 1,572,920.68/x
  3. Step 3: Cross multiply
    2,920,786.60x = 4,382,829.42 × 1,572,920.68
  4. Step 4: Simplify right side
    2,920,786.60x = 6,893,843,031,630.41
  5. Step 5: Solve for x
    x = 6,893,843,031,630.41/2,920,786.60
  6. Step 6: Final answer
    x = 2,360,269.33

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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.