Home / 1,890,030.80-2,608,146.60-1,030,584.08

Finding the Fourth Proportional to 1,890,030.80, 2,608,146.60 and 1,030,584.08

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Solution

The fourth proportional to 1,890,030.80, 2,608,146.60 and 1,030,584.08 is: 1,422,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,030.80 : 2,608,146.60 = 1,030,584.08 : x
  2. Step 2: Convert to fraction form
    1,890,030.80/2,608,146.60 = 1,030,584.08/x
  3. Step 3: Cross multiply
    1,890,030.80x = 2,608,146.60 × 1,030,584.08
  4. Step 4: Simplify right side
    1,890,030.80x = 2,687,914,364,266.13
  5. Step 5: Solve for x
    x = 2,687,914,364,266.13/1,890,030.80
  6. Step 6: Final answer
    x = 1,422,153.74

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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.