Home / 2,971,618.40-4,457,427.60-727,756.40

Finding the Fourth Proportional to 2,971,618.40, 4,457,427.60 and 727,756.40

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Solution

The fourth proportional to 2,971,618.40, 4,457,427.60 and 727,756.40 is: 1,091,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,618.40 : 4,457,427.60 = 727,756.40 : x
  2. Step 2: Convert to fraction form
    2,971,618.40/4,457,427.60 = 727,756.40/x
  3. Step 3: Cross multiply
    2,971,618.40x = 4,457,427.60 × 727,756.40
  4. Step 4: Simplify right side
    2,971,618.40x = 3,243,921,463,436.64
  5. Step 5: Solve for x
    x = 3,243,921,463,436.64/2,971,618.40
  6. Step 6: Final answer
    x = 1,091,634.60

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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.