Home / 5,362,705.71-7,400,445.53-2,915,377.38

Finding the Fourth Proportional to 5,362,705.71, 7,400,445.53 and 2,915,377.38

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Solution

The fourth proportional to 5,362,705.71, 7,400,445.53 and 2,915,377.38 is: 4,023,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362,705.71 : 7,400,445.53 = 2,915,377.38 : x
  2. Step 2: Convert to fraction form
    5,362,705.71/7,400,445.53 = 2,915,377.38/x
  3. Step 3: Cross multiply
    5,362,705.71x = 7,400,445.53 × 2,915,377.38
  4. Step 4: Simplify right side
    5,362,705.71x = 21,575,091,485,507.23
  5. Step 5: Solve for x
    x = 21,575,091,485,507.23/5,362,705.71
  6. Step 6: Final answer
    x = 4,023,172.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.