Home / 3,390,482.40-5,086,424.03-1,116,143.53

Finding the Fourth Proportional to 3,390,482.40, 5,086,424.03 and 1,116,143.53

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Solution

The fourth proportional to 3,390,482.40, 5,086,424.03 and 1,116,143.53 is: 1,674,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,482.40 : 5,086,424.03 = 1,116,143.53 : x
  2. Step 2: Convert to fraction form
    3,390,482.40/5,086,424.03 = 1,116,143.53/x
  3. Step 3: Cross multiply
    3,390,482.40x = 5,086,424.03 × 1,116,143.53
  4. Step 4: Simplify right side
    3,390,482.40x = 5,677,179,271,921.03
  5. Step 5: Solve for x
    x = 5,677,179,271,921.03/3,390,482.40
  6. Step 6: Final answer
    x = 1,674,445.88

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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.