Home / 4,878,261.45-7,314,555.78-1,845,861.57

Finding the Fourth Proportional to 4,878,261.45, 7,314,555.78 and 1,845,861.57

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Solution

The fourth proportional to 4,878,261.45, 7,314,555.78 and 1,845,861.57 is: 2,767,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,261.45 : 7,314,555.78 = 1,845,861.57 : x
  2. Step 2: Convert to fraction form
    4,878,261.45/7,314,555.78 = 1,845,861.57/x
  3. Step 3: Cross multiply
    4,878,261.45x = 7,314,555.78 × 1,845,861.57
  4. Step 4: Simplify right side
    4,878,261.45x = 13,501,657,415,923.38
  5. Step 5: Solve for x
    x = 13,501,657,415,923.38/4,878,261.45
  6. Step 6: Final answer
    x = 2,767,719.11

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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.