Home / 4,878,715.60-7,317,409.08-1,284,181.54

Finding the Fourth Proportional to 4,878,715.60, 7,317,409.08 and 1,284,181.54

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Solution

The fourth proportional to 4,878,715.60, 7,317,409.08 and 1,284,181.54 is: 1,926,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,715.60 : 7,317,409.08 = 1,284,181.54 : x
  2. Step 2: Convert to fraction form
    4,878,715.60/7,317,409.08 = 1,284,181.54/x
  3. Step 3: Cross multiply
    4,878,715.60x = 7,317,409.08 × 1,284,181.54
  4. Step 4: Simplify right side
    4,878,715.60x = 9,396,881,661,164.38
  5. Step 5: Solve for x
    x = 9,396,881,661,164.38/4,878,715.60
  6. Step 6: Final answer
    x = 1,926,097.45

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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.