Home / 3,621,461.80-5,432,848.80-1,819,811.20

Finding the Fourth Proportional to 3,621,461.80, 5,432,848.80 and 1,819,811.20

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Solution

The fourth proportional to 3,621,461.80, 5,432,848.80 and 1,819,811.20 is: 2,730,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,461.80 : 5,432,848.80 = 1,819,811.20 : x
  2. Step 2: Convert to fraction form
    3,621,461.80/5,432,848.80 = 1,819,811.20/x
  3. Step 3: Cross multiply
    3,621,461.80x = 5,432,848.80 × 1,819,811.20
  4. Step 4: Simplify right side
    3,621,461.80x = 9,886,759,094,146.56
  5. Step 5: Solve for x
    x = 9,886,759,094,146.56/3,621,461.80
  6. Step 6: Final answer
    x = 2,730,046.50

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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.