Home / 1,926,848.40-2,890,319.49-647,474.42

Finding the Fourth Proportional to 1,926,848.40, 2,890,319.49 and 647,474.42

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Solution

The fourth proportional to 1,926,848.40, 2,890,319.49 and 647,474.42 is: 971,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,848.40 : 2,890,319.49 = 647,474.42 : x
  2. Step 2: Convert to fraction form
    1,926,848.40/2,890,319.49 = 647,474.42/x
  3. Step 3: Cross multiply
    1,926,848.40x = 2,890,319.49 × 647,474.42
  4. Step 4: Simplify right side
    1,926,848.40x = 1,871,407,920,950.85
  5. Step 5: Solve for x
    x = 1,871,407,920,950.85/1,926,848.40
  6. Step 6: Final answer
    x = 971,227.38

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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.