Home / 3,611,655.90-4,980,856.86-2,389,210.38

Finding the Fourth Proportional to 3,611,655.90, 4,980,856.86 and 2,389,210.38

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Solution

The fourth proportional to 3,611,655.90, 4,980,856.86 and 2,389,210.38 is: 3,294,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,655.90 : 4,980,856.86 = 2,389,210.38 : x
  2. Step 2: Convert to fraction form
    3,611,655.90/4,980,856.86 = 2,389,210.38/x
  3. Step 3: Cross multiply
    3,611,655.90x = 4,980,856.86 × 2,389,210.38
  4. Step 4: Simplify right side
    3,611,655.90x = 11,900,314,911,206.21
  5. Step 5: Solve for x
    x = 11,900,314,911,206.21/3,611,655.90
  6. Step 6: Final answer
    x = 3,294,974.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.