Home / 2,126,598.40-3,190,460.80-928,006.40

Finding the Fourth Proportional to 2,126,598.40, 3,190,460.80 and 928,006.40

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Solution

The fourth proportional to 2,126,598.40, 3,190,460.80 and 928,006.40 is: 1,392,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,598.40 : 3,190,460.80 = 928,006.40 : x
  2. Step 2: Convert to fraction form
    2,126,598.40/3,190,460.80 = 928,006.40/x
  3. Step 3: Cross multiply
    2,126,598.40x = 3,190,460.80 × 928,006.40
  4. Step 4: Simplify right side
    2,126,598.40x = 2,960,768,041,349.12
  5. Step 5: Solve for x
    x = 2,960,768,041,349.12/2,126,598.40
  6. Step 6: Final answer
    x = 1,392,255.37

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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.