Home / 5,314,302.40-7,972,231.20-1,719,457.60

Finding the Fourth Proportional to 5,314,302.40, 7,972,231.20 and 1,719,457.60

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Solution

The fourth proportional to 5,314,302.40, 7,972,231.20 and 1,719,457.60 is: 2,579,437.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,302.40 : 7,972,231.20 = 1,719,457.60 : x
  2. Step 2: Convert to fraction form
    5,314,302.40/7,972,231.20 = 1,719,457.60/x
  3. Step 3: Cross multiply
    5,314,302.40x = 7,972,231.20 × 1,719,457.60
  4. Step 4: Simplify right side
    5,314,302.40x = 13,707,913,525,797.12
  5. Step 5: Solve for x
    x = 13,707,913,525,797.12/5,314,302.40
  6. Step 6: Final answer
    x = 2,579,437.99

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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.