Home / 1,920,580.70-2,650,454.84-1,061,196.35

Finding the Fourth Proportional to 1,920,580.70, 2,650,454.84 and 1,061,196.35

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Solution

The fourth proportional to 1,920,580.70, 2,650,454.84 and 1,061,196.35 is: 1,464,480.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,580.70 : 2,650,454.84 = 1,061,196.35 : x
  2. Step 2: Convert to fraction form
    1,920,580.70/2,650,454.84 = 1,061,196.35/x
  3. Step 3: Cross multiply
    1,920,580.70x = 2,650,454.84 × 1,061,196.35
  4. Step 4: Simplify right side
    1,920,580.70x = 2,812,652,983,489.58
  5. Step 5: Solve for x
    x = 2,812,652,983,489.58/1,920,580.70
  6. Step 6: Final answer
    x = 1,464,480.50

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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.