Home / 3,842,756.47-5,303,278.56-2,123,840.08

Finding the Fourth Proportional to 3,842,756.47, 5,303,278.56 and 2,123,840.08

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Solution

The fourth proportional to 3,842,756.47, 5,303,278.56 and 2,123,840.08 is: 2,931,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,756.47 : 5,303,278.56 = 2,123,840.08 : x
  2. Step 2: Convert to fraction form
    3,842,756.47/5,303,278.56 = 2,123,840.08/x
  3. Step 3: Cross multiply
    3,842,756.47x = 5,303,278.56 × 2,123,840.08
  4. Step 4: Simplify right side
    3,842,756.47x = 11,263,315,561,132.68
  5. Step 5: Solve for x
    x = 11,263,315,561,132.68/3,842,756.47
  6. Step 6: Final answer
    x = 2,931,051.10

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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.