Home / 1,803,951.36-2,488,509.05-1,115,403.11

Finding the Fourth Proportional to 1,803,951.36, 2,488,509.05 and 1,115,403.11

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Solution

The fourth proportional to 1,803,951.36, 2,488,509.05 and 1,115,403.11 is: 1,538,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,951.36 : 2,488,509.05 = 1,115,403.11 : x
  2. Step 2: Convert to fraction form
    1,803,951.36/2,488,509.05 = 1,115,403.11/x
  3. Step 3: Cross multiply
    1,803,951.36x = 2,488,509.05 × 1,115,403.11
  4. Step 4: Simplify right side
    1,803,951.36x = 2,775,690,738,835.16
  5. Step 5: Solve for x
    x = 2,775,690,738,835.16/1,803,951.36
  6. Step 6: Final answer
    x = 1,538,672.72

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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.