Home / 3,611,686.40-4,980,898.95-2,389,240.88

Finding the Fourth Proportional to 3,611,686.40, 4,980,898.95 and 2,389,240.88

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Solution

The fourth proportional to 3,611,686.40, 4,980,898.95 and 2,389,240.88 is: 3,295,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,686.40 : 4,980,898.95 = 2,389,240.88 : x
  2. Step 2: Convert to fraction form
    3,611,686.40/4,980,898.95 = 2,389,240.88/x
  3. Step 3: Cross multiply
    3,611,686.40x = 4,980,898.95 × 2,389,240.88
  4. Step 4: Simplify right side
    3,611,686.40x = 11,900,567,390,489.08
  5. Step 5: Solve for x
    x = 11,900,567,390,489.08/3,611,686.40
  6. Step 6: Final answer
    x = 3,295,016.81

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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.