Home / 2,692,004.57-4,038,788.69-870,330.61

Finding the Fourth Proportional to 2,692,004.57, 4,038,788.69 and 870,330.61

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Solution

The fourth proportional to 2,692,004.57, 4,038,788.69 and 870,330.61 is: 1,305,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,004.57 : 4,038,788.69 = 870,330.61 : x
  2. Step 2: Convert to fraction form
    2,692,004.57/4,038,788.69 = 870,330.61/x
  3. Step 3: Cross multiply
    2,692,004.57x = 4,038,788.69 × 870,330.61
  4. Step 4: Simplify right side
    2,692,004.57x = 3,515,081,424,228.80
  5. Step 5: Solve for x
    x = 3,515,081,424,228.80/2,692,004.57
  6. Step 6: Final answer
    x = 1,305,748.68

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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.