Home / 2,831,368.32-4,245,485.76-1,123,781.76

Finding the Fourth Proportional to 2,831,368.32, 4,245,485.76 and 1,123,781.76

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Solution

The fourth proportional to 2,831,368.32, 4,245,485.76 and 1,123,781.76 is: 1,685,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,368.32 : 4,245,485.76 = 1,123,781.76 : x
  2. Step 2: Convert to fraction form
    2,831,368.32/4,245,485.76 = 1,123,781.76/x
  3. Step 3: Cross multiply
    2,831,368.32x = 4,245,485.76 × 1,123,781.76
  4. Step 4: Simplify right side
    2,831,368.32x = 4,770,999,459,427.74
  5. Step 5: Solve for x
    x = 4,770,999,459,427.74/2,831,368.32
  6. Step 6: Final answer
    x = 1,685,050.80

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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.