Home / 3,113,965.60-4,670,948.40-870,103.60

Finding the Fourth Proportional to 3,113,965.60, 4,670,948.40 and 870,103.60

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Solution

The fourth proportional to 3,113,965.60, 4,670,948.40 and 870,103.60 is: 1,305,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,965.60 : 4,670,948.40 = 870,103.60 : x
  2. Step 2: Convert to fraction form
    3,113,965.60/4,670,948.40 = 870,103.60/x
  3. Step 3: Cross multiply
    3,113,965.60x = 4,670,948.40 × 870,103.60
  4. Step 4: Simplify right side
    3,113,965.60x = 4,064,209,018,254.24
  5. Step 5: Solve for x
    x = 4,064,209,018,254.24/3,113,965.60
  6. Step 6: Final answer
    x = 1,305,155.40

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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.