Home / 5,202,030.59-7,178,640.08-2,878,783.32

Finding the Fourth Proportional to 5,202,030.59, 7,178,640.08 and 2,878,783.32

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Solution

The fourth proportional to 5,202,030.59, 7,178,640.08 and 2,878,783.32 is: 3,972,631.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202,030.59 : 7,178,640.08 = 2,878,783.32 : x
  2. Step 2: Convert to fraction form
    5,202,030.59/7,178,640.08 = 2,878,783.32/x
  3. Step 3: Cross multiply
    5,202,030.59x = 7,178,640.08 × 2,878,783.32
  4. Step 4: Simplify right side
    5,202,030.59x = 20,665,749,308,193.55
  5. Step 5: Solve for x
    x = 20,665,749,308,193.55/5,202,030.59
  6. Step 6: Final answer
    x = 3,972,631.26

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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.