Home / 1,999,203.73-2,756,031.58-1,425,247.45

Finding the Fourth Proportional to 1,999,203.73, 2,756,031.58 and 1,425,247.45

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Solution

The fourth proportional to 1,999,203.73, 2,756,031.58 and 1,425,247.45 is: 1,964,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,203.73 : 2,756,031.58 = 1,425,247.45 : x
  2. Step 2: Convert to fraction form
    1,999,203.73/2,756,031.58 = 1,425,247.45/x
  3. Step 3: Cross multiply
    1,999,203.73x = 2,756,031.58 × 1,425,247.45
  4. Step 4: Simplify right side
    1,999,203.73x = 3,928,026,976,405.95
  5. Step 5: Solve for x
    x = 3,928,026,976,405.95/1,999,203.73
  6. Step 6: Final answer
    x = 1,964,795.74

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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.