Home / 1,947,346.52-2,918,408.81-1,515,585.47

Finding the Fourth Proportional to 1,947,346.52, 2,918,408.81 and 1,515,585.47

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Solution

The fourth proportional to 1,947,346.52, 2,918,408.81 and 1,515,585.47 is: 2,271,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,346.52 : 2,918,408.81 = 1,515,585.47 : x
  2. Step 2: Convert to fraction form
    1,947,346.52/2,918,408.81 = 1,515,585.47/x
  3. Step 3: Cross multiply
    1,947,346.52x = 2,918,408.81 × 1,515,585.47
  4. Step 4: Simplify right side
    1,947,346.52x = 4,423,097,965,786.02
  5. Step 5: Solve for x
    x = 4,423,097,965,786.02/1,947,346.52
  6. Step 6: Final answer
    x = 2,271,346.13

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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.