Home / 1,916,041.51-2,869,393.45-1,267,222.42

Finding the Fourth Proportional to 1,916,041.51, 2,869,393.45 and 1,267,222.42

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Solution

The fourth proportional to 1,916,041.51, 2,869,393.45 and 1,267,222.42 is: 1,897,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,041.51 : 2,869,393.45 = 1,267,222.42 : x
  2. Step 2: Convert to fraction form
    1,916,041.51/2,869,393.45 = 1,267,222.42/x
  3. Step 3: Cross multiply
    1,916,041.51x = 2,869,393.45 × 1,267,222.42
  4. Step 4: Simplify right side
    1,916,041.51x = 3,636,159,711,641.15
  5. Step 5: Solve for x
    x = 3,636,159,711,641.15/1,916,041.51
  6. Step 6: Final answer
    x = 1,897,745.79

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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.