Home / 6,919,783.57-9,549,332.42-3,780,090.53

Finding the Fourth Proportional to 6,919,783.57, 9,549,332.42 and 3,780,090.53

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Solution

The fourth proportional to 6,919,783.57, 9,549,332.42 and 3,780,090.53 is: 5,216,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919,783.57 : 9,549,332.42 = 3,780,090.53 : x
  2. Step 2: Convert to fraction form
    6,919,783.57/9,549,332.42 = 3,780,090.53/x
  3. Step 3: Cross multiply
    6,919,783.57x = 9,549,332.42 × 3,780,090.53
  4. Step 4: Simplify right side
    6,919,783.57x = 36,097,340,982,016.87
  5. Step 5: Solve for x
    x = 36,097,340,982,016.87/6,919,783.57
  6. Step 6: Final answer
    x = 5,216,541.91

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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.