Home / 2,091,294.30-3,136,941.45-1,249,412.70

Finding the Fourth Proportional to 2,091,294.30, 3,136,941.45 and 1,249,412.70

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Solution

The fourth proportional to 2,091,294.30, 3,136,941.45 and 1,249,412.70 is: 1,874,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,294.30 : 3,136,941.45 = 1,249,412.70 : x
  2. Step 2: Convert to fraction form
    2,091,294.30/3,136,941.45 = 1,249,412.70/x
  3. Step 3: Cross multiply
    2,091,294.30x = 3,136,941.45 × 1,249,412.70
  4. Step 4: Simplify right side
    2,091,294.30x = 3,919,334,486,786.42
  5. Step 5: Solve for x
    x = 3,919,334,486,786.42/2,091,294.30
  6. Step 6: Final answer
    x = 1,874,119.05

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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.