Home / 1,900,638.85-2,623,069.70-1,084,965.11

Finding the Fourth Proportional to 1,900,638.85, 2,623,069.70 and 1,084,965.11

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Solution

The fourth proportional to 1,900,638.85, 2,623,069.70 and 1,084,965.11 is: 1,497,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,638.85 : 2,623,069.70 = 1,084,965.11 : x
  2. Step 2: Convert to fraction form
    1,900,638.85/2,623,069.70 = 1,084,965.11/x
  3. Step 3: Cross multiply
    1,900,638.85x = 2,623,069.70 × 1,084,965.11
  4. Step 4: Simplify right side
    1,900,638.85x = 2,845,939,105,598.17
  5. Step 5: Solve for x
    x = 2,845,939,105,598.17/1,900,638.85
  6. Step 6: Final answer
    x = 1,497,359.22

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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.