Home / 1,947,298.72-2,918,337.08-1,515,537.50

Finding the Fourth Proportional to 1,947,298.72, 2,918,337.08 and 1,515,537.50

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Solution

The fourth proportional to 1,947,298.72, 2,918,337.08 and 1,515,537.50 is: 2,271,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,298.72 : 2,918,337.08 = 1,515,537.50 : x
  2. Step 2: Convert to fraction form
    1,947,298.72/2,918,337.08 = 1,515,537.50/x
  3. Step 3: Cross multiply
    1,947,298.72x = 2,918,337.08 × 1,515,537.50
  4. Step 4: Simplify right side
    1,947,298.72x = 4,422,849,282,380.50
  5. Step 5: Solve for x
    x = 4,422,849,282,380.50/1,947,298.72
  6. Step 6: Final answer
    x = 2,271,274.17

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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.