Home / 2,859,385.40-3,945,951.76-1,570,247.32

Finding the Fourth Proportional to 2,859,385.40, 3,945,951.76 and 1,570,247.32

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Solution

The fourth proportional to 2,859,385.40, 3,945,951.76 and 1,570,247.32 is: 2,166,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,385.40 : 3,945,951.76 = 1,570,247.32 : x
  2. Step 2: Convert to fraction form
    2,859,385.40/3,945,951.76 = 1,570,247.32/x
  3. Step 3: Cross multiply
    2,859,385.40x = 3,945,951.76 × 1,570,247.32
  4. Step 4: Simplify right side
    2,859,385.40x = 6,196,120,175,989.28
  5. Step 5: Solve for x
    x = 6,196,120,175,989.28/2,859,385.40
  6. Step 6: Final answer
    x = 2,166,941.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.