Home / 2,146,459.20-3,219,688.80-2,114,966.40

Finding the Fourth Proportional to 2,146,459.20, 3,219,688.80 and 2,114,966.40

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Solution

The fourth proportional to 2,146,459.20, 3,219,688.80 and 2,114,966.40 is: 3,172,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,459.20 : 3,219,688.80 = 2,114,966.40 : x
  2. Step 2: Convert to fraction form
    2,146,459.20/3,219,688.80 = 2,114,966.40/x
  3. Step 3: Cross multiply
    2,146,459.20x = 3,219,688.80 × 2,114,966.40
  4. Step 4: Simplify right side
    2,146,459.20x = 6,809,533,630,456.32
  5. Step 5: Solve for x
    x = 6,809,533,630,456.32/2,146,459.20
  6. Step 6: Final answer
    x = 3,172,449.60

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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.