Home / 3,937,129.60-5,905,694.40-945,313.60

Finding the Fourth Proportional to 3,937,129.60, 5,905,694.40 and 945,313.60

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Solution

The fourth proportional to 3,937,129.60, 5,905,694.40 and 945,313.60 is: 1,417,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,129.60 : 5,905,694.40 = 945,313.60 : x
  2. Step 2: Convert to fraction form
    3,937,129.60/5,905,694.40 = 945,313.60/x
  3. Step 3: Cross multiply
    3,937,129.60x = 5,905,694.40 × 945,313.60
  4. Step 4: Simplify right side
    3,937,129.60x = 5,582,733,233,763.84
  5. Step 5: Solve for x
    x = 5,582,733,233,763.84/3,937,129.60
  6. Step 6: Final answer
    x = 1,417,970.40

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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.