Home / 2,136,486.40-3,205,834.24-939,248.64

Finding the Fourth Proportional to 2,136,486.40, 3,205,834.24 and 939,248.64

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Solution

The fourth proportional to 2,136,486.40, 3,205,834.24 and 939,248.64 is: 1,409,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,486.40 : 3,205,834.24 = 939,248.64 : x
  2. Step 2: Convert to fraction form
    2,136,486.40/3,205,834.24 = 939,248.64/x
  3. Step 3: Cross multiply
    2,136,486.40x = 3,205,834.24 × 939,248.64
  4. Step 4: Simplify right side
    2,136,486.40x = 3,011,075,449,985.43
  5. Step 5: Solve for x
    x = 3,011,075,449,985.43/2,136,486.40
  6. Step 6: Final answer
    x = 1,409,358.59

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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.