Home / 2,659,607.29-3,989,971.45-862,350.67

Finding the Fourth Proportional to 2,659,607.29, 3,989,971.45 and 862,350.67

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Solution

The fourth proportional to 2,659,607.29, 3,989,971.45 and 862,350.67 is: 1,293,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,607.29 : 3,989,971.45 = 862,350.67 : x
  2. Step 2: Convert to fraction form
    2,659,607.29/3,989,971.45 = 862,350.67/x
  3. Step 3: Cross multiply
    2,659,607.29x = 3,989,971.45 × 862,350.67
  4. Step 4: Simplify right side
    2,659,607.29x = 3,440,754,533,238.51
  5. Step 5: Solve for x
    x = 3,440,754,533,238.51/2,659,607.29
  6. Step 6: Final answer
    x = 1,293,707.74

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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.