Home / 3,516,946.75-4,853,386.52-1,989,021.07

Finding the Fourth Proportional to 3,516,946.75, 4,853,386.52 and 1,989,021.07

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Solution

The fourth proportional to 3,516,946.75, 4,853,386.52 and 1,989,021.07 is: 2,744,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,946.75 : 4,853,386.52 = 1,989,021.07 : x
  2. Step 2: Convert to fraction form
    3,516,946.75/4,853,386.52 = 1,989,021.07/x
  3. Step 3: Cross multiply
    3,516,946.75x = 4,853,386.52 × 1,989,021.07
  4. Step 4: Simplify right side
    3,516,946.75x = 9,653,488,049,133.98
  5. Step 5: Solve for x
    x = 9,653,488,049,133.98/3,516,946.75
  6. Step 6: Final answer
    x = 2,744,849.08

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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.