Home / 5,426,460.20-8,140,856.70-1,640,325.80

Finding the Fourth Proportional to 5,426,460.20, 8,140,856.70 and 1,640,325.80

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Solution

The fourth proportional to 5,426,460.20, 8,140,856.70 and 1,640,325.80 is: 2,460,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,460.20 : 8,140,856.70 = 1,640,325.80 : x
  2. Step 2: Convert to fraction form
    5,426,460.20/8,140,856.70 = 1,640,325.80/x
  3. Step 3: Cross multiply
    5,426,460.20x = 8,140,856.70 × 1,640,325.80
  4. Step 4: Simplify right side
    5,426,460.20x = 13,353,657,279,112.86
  5. Step 5: Solve for x
    x = 13,353,657,279,112.86/5,426,460.20
  6. Step 6: Final answer
    x = 2,460,841.28

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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.