Home / 1,620,102.09-2,235,697.54-894,934.20

Finding the Fourth Proportional to 1,620,102.09, 2,235,697.54 and 894,934.20

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Solution

The fourth proportional to 1,620,102.09, 2,235,697.54 and 894,934.20 is: 1,234,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,102.09 : 2,235,697.54 = 894,934.20 : x
  2. Step 2: Convert to fraction form
    1,620,102.09/2,235,697.54 = 894,934.20/x
  3. Step 3: Cross multiply
    1,620,102.09x = 2,235,697.54 × 894,934.20
  4. Step 4: Simplify right side
    1,620,102.09x = 2,000,802,189,401.87
  5. Step 5: Solve for x
    x = 2,000,802,189,401.87/1,620,102.09
  6. Step 6: Final answer
    x = 1,234,985.25

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1.5x scale

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.