Home / 1,890,019.35-2,608,280.49-1,030,626.75

Finding the Fourth Proportional to 1,890,019.35, 2,608,280.49 and 1,030,626.75

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Solution

The fourth proportional to 1,890,019.35, 2,608,280.49 and 1,030,626.75 is: 1,422,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,019.35 : 2,608,280.49 = 1,030,626.75 : x
  2. Step 2: Convert to fraction form
    1,890,019.35/2,608,280.49 = 1,030,626.75/x
  3. Step 3: Cross multiply
    1,890,019.35x = 2,608,280.49 × 1,030,626.75
  4. Step 4: Simplify right side
    1,890,019.35x = 2,688,163,644,497.11
  5. Step 5: Solve for x
    x = 2,688,163,644,497.11/1,890,019.35
  6. Step 6: Final answer
    x = 1,422,294.25

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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.