Home / 3,219,720.54-4,831,795.15-1,326,461.97

Finding the Fourth Proportional to 3,219,720.54, 4,831,795.15 and 1,326,461.97

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Solution

The fourth proportional to 3,219,720.54, 4,831,795.15 and 1,326,461.97 is: 1,990,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,720.54 : 4,831,795.15 = 1,326,461.97 : x
  2. Step 2: Convert to fraction form
    3,219,720.54/4,831,795.15 = 1,326,461.97/x
  3. Step 3: Cross multiply
    3,219,720.54x = 4,831,795.15 × 1,326,461.97
  4. Step 4: Simplify right side
    3,219,720.54x = 6,409,192,528,108.52
  5. Step 5: Solve for x
    x = 6,409,192,528,108.52/3,219,720.54
  6. Step 6: Final answer
    x = 1,990,605.23

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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.