Home / 2,190,962.40-3,286,443.60-1,011,314.40

Finding the Fourth Proportional to 2,190,962.40, 3,286,443.60 and 1,011,314.40

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Solution

The fourth proportional to 2,190,962.40, 3,286,443.60 and 1,011,314.40 is: 1,516,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,962.40 : 3,286,443.60 = 1,011,314.40 : x
  2. Step 2: Convert to fraction form
    2,190,962.40/3,286,443.60 = 1,011,314.40/x
  3. Step 3: Cross multiply
    2,190,962.40x = 3,286,443.60 × 1,011,314.40
  4. Step 4: Simplify right side
    2,190,962.40x = 3,323,627,737,467.84
  5. Step 5: Solve for x
    x = 3,323,627,737,467.84/2,190,962.40
  6. Step 6: Final answer
    x = 1,516,971.60

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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.