Home / 2,972,148.60-4,455,270.45-1,371,920.70

Finding the Fourth Proportional to 2,972,148.60, 4,455,270.45 and 1,371,920.70

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Solution

The fourth proportional to 2,972,148.60, 4,455,270.45 and 1,371,920.70 is: 2,056,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,148.60 : 4,455,270.45 = 1,371,920.70 : x
  2. Step 2: Convert to fraction form
    2,972,148.60/4,455,270.45 = 1,371,920.70/x
  3. Step 3: Cross multiply
    2,972,148.60x = 4,455,270.45 × 1,371,920.70
  4. Step 4: Simplify right side
    2,972,148.60x = 6,112,277,754,453.32
  5. Step 5: Solve for x
    x = 6,112,277,754,453.32/2,972,148.60
  6. Step 6: Final answer
    x = 2,056,518.22

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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.