Home / 1,919,900.40-2,872,852.20-1,751,938.80

Finding the Fourth Proportional to 1,919,900.40, 2,872,852.20 and 1,751,938.80

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Solution

The fourth proportional to 1,919,900.40, 2,872,852.20 and 1,751,938.80 is: 2,621,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,900.40 : 2,872,852.20 = 1,751,938.80 : x
  2. Step 2: Convert to fraction form
    1,919,900.40/2,872,852.20 = 1,751,938.80/x
  3. Step 3: Cross multiply
    1,919,900.40x = 2,872,852.20 × 1,751,938.80
  4. Step 4: Simplify right side
    1,919,900.40x = 5,033,061,235,845.36
  5. Step 5: Solve for x
    x = 5,033,061,235,845.36/1,919,900.40
  6. Step 6: Final answer
    x = 2,621,522.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.