Home / 2,003,001.20-3,004,501.80-805,108.40

Finding the Fourth Proportional to 2,003,001.20, 3,004,501.80 and 805,108.40

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Solution

The fourth proportional to 2,003,001.20, 3,004,501.80 and 805,108.40 is: 1,207,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003,001.20 : 3,004,501.80 = 805,108.40 : x
  2. Step 2: Convert to fraction form
    2,003,001.20/3,004,501.80 = 805,108.40/x
  3. Step 3: Cross multiply
    2,003,001.20x = 3,004,501.80 × 805,108.40
  4. Step 4: Simplify right side
    2,003,001.20x = 2,418,949,636,995.12
  5. Step 5: Solve for x
    x = 2,418,949,636,995.12/2,003,001.20
  6. Step 6: Final answer
    x = 1,207,662.60

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1.5x scale

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.