Home / 2,348,009.40-3,521,963.96-642,152.70

Finding the Fourth Proportional to 2,348,009.40, 3,521,963.96 and 642,152.70

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Solution

The fourth proportional to 2,348,009.40, 3,521,963.96 and 642,152.70 is: 963,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348,009.40 : 3,521,963.96 = 642,152.70 : x
  2. Step 2: Convert to fraction form
    2,348,009.40/3,521,963.96 = 642,152.70/x
  3. Step 3: Cross multiply
    2,348,009.40x = 3,521,963.96 × 642,152.70
  4. Step 4: Simplify right side
    2,348,009.40x = 2,261,638,649,976.72
  5. Step 5: Solve for x
    x = 2,261,638,649,976.72/2,348,009.40
  6. Step 6: Final answer
    x = 963,215.33

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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.