Home / 1,611,808.20-2,417,712.30-1,139,416.20

Finding the Fourth Proportional to 1,611,808.20, 2,417,712.30 and 1,139,416.20

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Solution

The fourth proportional to 1,611,808.20, 2,417,712.30 and 1,139,416.20 is: 1,709,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,808.20 : 2,417,712.30 = 1,139,416.20 : x
  2. Step 2: Convert to fraction form
    1,611,808.20/2,417,712.30 = 1,139,416.20/x
  3. Step 3: Cross multiply
    1,611,808.20x = 2,417,712.30 × 1,139,416.20
  4. Step 4: Simplify right side
    1,611,808.20x = 2,754,780,561,559.26
  5. Step 5: Solve for x
    x = 2,754,780,561,559.26/1,611,808.20
  6. Step 6: Final answer
    x = 1,709,124.30

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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.