Home / 1,925,192.40-2,658,018.90-1,237,129.39

Finding the Fourth Proportional to 1,925,192.40, 2,658,018.90 and 1,237,129.39

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Solution

The fourth proportional to 1,925,192.40, 2,658,018.90 and 1,237,129.39 is: 1,708,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,192.40 : 2,658,018.90 = 1,237,129.39 : x
  2. Step 2: Convert to fraction form
    1,925,192.40/2,658,018.90 = 1,237,129.39/x
  3. Step 3: Cross multiply
    1,925,192.40x = 2,658,018.90 × 1,237,129.39
  4. Step 4: Simplify right side
    1,925,192.40x = 3,288,313,300,365.47
  5. Step 5: Solve for x
    x = 3,288,313,300,365.47/1,925,192.40
  6. Step 6: Final answer
    x = 1,708,043.99

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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.