Home / 1,686,365.90-2,326,531.22-1,074,409.08

Finding the Fourth Proportional to 1,686,365.90, 2,326,531.22 and 1,074,409.08

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Solution

The fourth proportional to 1,686,365.90, 2,326,531.22 and 1,074,409.08 is: 1,482,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,365.90 : 2,326,531.22 = 1,074,409.08 : x
  2. Step 2: Convert to fraction form
    1,686,365.90/2,326,531.22 = 1,074,409.08/x
  3. Step 3: Cross multiply
    1,686,365.90x = 2,326,531.22 × 1,074,409.08
  4. Step 4: Simplify right side
    1,686,365.90x = 2,499,646,267,671.48
  5. Step 5: Solve for x
    x = 2,499,646,267,671.48/1,686,365.90
  6. Step 6: Final answer
    x = 1,482,268.03

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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.