Home / 1,890,142.50-2,608,301.94-1,074,238.40

Finding the Fourth Proportional to 1,890,142.50, 2,608,301.94 and 1,074,238.40

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Solution

The fourth proportional to 1,890,142.50, 2,608,301.94 and 1,074,238.40 is: 1,482,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,142.50 : 2,608,301.94 = 1,074,238.40 : x
  2. Step 2: Convert to fraction form
    1,890,142.50/2,608,301.94 = 1,074,238.40/x
  3. Step 3: Cross multiply
    1,890,142.50x = 2,608,301.94 × 1,074,238.40
  4. Step 4: Simplify right side
    1,890,142.50x = 2,801,938,102,742.50
  5. Step 5: Solve for x
    x = 2,801,938,102,742.50/1,890,142.50
  6. Step 6: Final answer
    x = 1,482,395.16

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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.