Home / 2,153,988.56-3,230,631.48-1,520,987.60

Finding the Fourth Proportional to 2,153,988.56, 3,230,631.48 and 1,520,987.60

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Solution

The fourth proportional to 2,153,988.56, 3,230,631.48 and 1,520,987.60 is: 2,281,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,988.56 : 3,230,631.48 = 1,520,987.60 : x
  2. Step 2: Convert to fraction form
    2,153,988.56/3,230,631.48 = 1,520,987.60/x
  3. Step 3: Cross multiply
    2,153,988.56x = 3,230,631.48 × 1,520,987.60
  4. Step 4: Simplify right side
    2,153,988.56x = 4,913,750,421,249.65
  5. Step 5: Solve for x
    x = 4,913,750,421,249.65/2,153,988.56
  6. Step 6: Final answer
    x = 2,281,233.30

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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.