Home / 3,113,977.60-4,670,966.40-870,115.60

Finding the Fourth Proportional to 3,113,977.60, 4,670,966.40 and 870,115.60

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Solution

The fourth proportional to 3,113,977.60, 4,670,966.40 and 870,115.60 is: 1,305,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,977.60 : 4,670,966.40 = 870,115.60 : x
  2. Step 2: Convert to fraction form
    3,113,977.60/4,670,966.40 = 870,115.60/x
  3. Step 3: Cross multiply
    3,113,977.60x = 4,670,966.40 × 870,115.60
  4. Step 4: Simplify right side
    3,113,977.60x = 4,064,280,731,715.84
  5. Step 5: Solve for x
    x = 4,064,280,731,715.84/3,113,977.60
  6. Step 6: Final answer
    x = 1,305,173.40

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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.