Home / 3,931,281.40-5,424,270.75-2,211,774.52

Finding the Fourth Proportional to 3,931,281.40, 5,424,270.75 and 2,211,774.52

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Solution

The fourth proportional to 3,931,281.40, 5,424,270.75 and 2,211,774.52 is: 3,051,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,281.40 : 5,424,270.75 = 2,211,774.52 : x
  2. Step 2: Convert to fraction form
    3,931,281.40/5,424,270.75 = 2,211,774.52/x
  3. Step 3: Cross multiply
    3,931,281.40x = 5,424,270.75 × 2,211,774.52
  4. Step 4: Simplify right side
    3,931,281.40x = 11,997,263,820,870.61
  5. Step 5: Solve for x
    x = 11,997,263,820,870.61/3,931,281.40
  6. Step 6: Final answer
    x = 3,051,743.85

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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.