Home / 2,909,515.06-4,015,255.34-1,620,355.45

Finding the Fourth Proportional to 2,909,515.06, 4,015,255.34 and 1,620,355.45

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Solution

The fourth proportional to 2,909,515.06, 4,015,255.34 and 1,620,355.45 is: 2,236,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,515.06 : 4,015,255.34 = 1,620,355.45 : x
  2. Step 2: Convert to fraction form
    2,909,515.06/4,015,255.34 = 1,620,355.45/x
  3. Step 3: Cross multiply
    2,909,515.06x = 4,015,255.34 × 1,620,355.45
  4. Step 4: Simplify right side
    2,909,515.06x = 6,506,140,853,234.33
  5. Step 5: Solve for x
    x = 6,506,140,853,234.33/2,909,515.06
  6. Step 6: Final answer
    x = 2,236,159.89

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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.