Home / 1,920,344.50-2,650,075.41-1,115,580.34

Finding the Fourth Proportional to 1,920,344.50, 2,650,075.41 and 1,115,580.34

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Solution

The fourth proportional to 1,920,344.50, 2,650,075.41 and 1,115,580.34 is: 1,539,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,344.50 : 2,650,075.41 = 1,115,580.34 : x
  2. Step 2: Convert to fraction form
    1,920,344.50/2,650,075.41 = 1,115,580.34/x
  3. Step 3: Cross multiply
    1,920,344.50x = 2,650,075.41 × 1,115,580.34
  4. Step 4: Simplify right side
    1,920,344.50x = 2,956,372,026,913.44
  5. Step 5: Solve for x
    x = 2,956,372,026,913.44/1,920,344.50
  6. Step 6: Final answer
    x = 1,539,500.87

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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.