Home / 2,642,573.81-3,646,691.01-1,539,935.25

Finding the Fourth Proportional to 2,642,573.81, 3,646,691.01 and 1,539,935.25

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Solution

The fourth proportional to 2,642,573.81, 3,646,691.01 and 1,539,935.25 is: 2,125,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,573.81 : 3,646,691.01 = 1,539,935.25 : x
  2. Step 2: Convert to fraction form
    2,642,573.81/3,646,691.01 = 1,539,935.25/x
  3. Step 3: Cross multiply
    2,642,573.81x = 3,646,691.01 × 1,539,935.25
  4. Step 4: Simplify right side
    2,642,573.81x = 5,615,668,032,157.10
  5. Step 5: Solve for x
    x = 5,615,668,032,157.10/2,642,573.81
  6. Step 6: Final answer
    x = 2,125,075.19

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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.