Home / 1,900,973.21-2,623,242.71-1,085,144.45

Finding the Fourth Proportional to 1,900,973.21, 2,623,242.71 and 1,085,144.45

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Solution

The fourth proportional to 1,900,973.21, 2,623,242.71 and 1,085,144.45 is: 1,497,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,973.21 : 2,623,242.71 = 1,085,144.45 : x
  2. Step 2: Convert to fraction form
    1,900,973.21/2,623,242.71 = 1,085,144.45/x
  3. Step 3: Cross multiply
    1,900,973.21x = 2,623,242.71 × 1,085,144.45
  4. Step 4: Simplify right side
    1,900,973.21x = 2,846,597,257,356.11
  5. Step 5: Solve for x
    x = 2,846,597,257,356.11/1,900,973.21
  6. Step 6: Final answer
    x = 1,497,442.07

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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.