Home / 3,217,802.31-4,826,700.68-821,647.35

Finding the Fourth Proportional to 3,217,802.31, 4,826,700.68 and 821,647.35

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Solution

The fourth proportional to 3,217,802.31, 4,826,700.68 and 821,647.35 is: 1,232,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,802.31 : 4,826,700.68 = 821,647.35 : x
  2. Step 2: Convert to fraction form
    3,217,802.31/4,826,700.68 = 821,647.35/x
  3. Step 3: Cross multiply
    3,217,802.31x = 4,826,700.68 × 821,647.35
  4. Step 4: Simplify right side
    3,217,802.31x = 3,965,845,818,856.96
  5. Step 5: Solve for x
    x = 3,965,845,818,856.96/3,217,802.31
  6. Step 6: Final answer
    x = 1,232,470.31

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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.