Home / 1,916,040.51-2,869,391.95-1,267,221.42

Finding the Fourth Proportional to 1,916,040.51, 2,869,391.95 and 1,267,221.42

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Solution

The fourth proportional to 1,916,040.51, 2,869,391.95 and 1,267,221.42 is: 1,897,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,040.51 : 2,869,391.95 = 1,267,221.42 : x
  2. Step 2: Convert to fraction form
    1,916,040.51/2,869,391.95 = 1,267,221.42/x
  3. Step 3: Cross multiply
    1,916,040.51x = 2,869,391.95 × 1,267,221.42
  4. Step 4: Simplify right side
    1,916,040.51x = 3,636,154,941,415.57
  5. Step 5: Solve for x
    x = 3,636,154,941,415.57/1,916,040.51
  6. Step 6: Final answer
    x = 1,897,744.29

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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.