Home / 1,658,422.21-2,487,625.14-647,646.85

Finding the Fourth Proportional to 1,658,422.21, 2,487,625.14 and 647,646.85

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Solution

The fourth proportional to 1,658,422.21, 2,487,625.14 and 647,646.85 is: 971,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,422.21 : 2,487,625.14 = 647,646.85 : x
  2. Step 2: Convert to fraction form
    1,658,422.21/2,487,625.14 = 647,646.85/x
  3. Step 3: Cross multiply
    1,658,422.21x = 2,487,625.14 × 647,646.85
  4. Step 4: Simplify right side
    1,658,422.21x = 1,611,102,585,901.81
  5. Step 5: Solve for x
    x = 1,611,102,585,901.81/1,658,422.21
  6. Step 6: Final answer
    x = 971,467.08

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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.