Home / 6,128,054.30-8,456,325.22-3,680,768.50

Finding the Fourth Proportional to 6,128,054.30, 8,456,325.22 and 3,680,768.50

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Solution

The fourth proportional to 6,128,054.30, 8,456,325.22 and 3,680,768.50 is: 5,079,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,054.30 : 8,456,325.22 = 3,680,768.50 : x
  2. Step 2: Convert to fraction form
    6,128,054.30/8,456,325.22 = 3,680,768.50/x
  3. Step 3: Cross multiply
    6,128,054.30x = 8,456,325.22 × 3,680,768.50
  4. Step 4: Simplify right side
    6,128,054.30x = 31,125,775,495,531.57
  5. Step 5: Solve for x
    x = 31,125,775,495,531.57/6,128,054.30
  6. Step 6: Final answer
    x = 5,079,226.45

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1.5x scale

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.