Home / 1,985,574.39-2,972,339.13-1,796,114.58

Finding the Fourth Proportional to 1,985,574.39, 2,972,339.13 and 1,796,114.58

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Solution

The fourth proportional to 1,985,574.39, 2,972,339.13 and 1,796,114.58 is: 2,688,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,574.39 : 2,972,339.13 = 1,796,114.58 : x
  2. Step 2: Convert to fraction form
    1,985,574.39/2,972,339.13 = 1,796,114.58/x
  3. Step 3: Cross multiply
    1,985,574.39x = 2,972,339.13 × 1,796,114.58
  4. Step 4: Simplify right side
    1,985,574.39x = 5,338,661,648,097.52
  5. Step 5: Solve for x
    x = 5,338,661,648,097.52/1,985,574.39
  6. Step 6: Final answer
    x = 2,688,724.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.