Home / 5,456,036.40-8,178,805.80-4,240,939.20

Finding the Fourth Proportional to 5,456,036.40, 8,178,805.80 and 4,240,939.20

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Solution

The fourth proportional to 5,456,036.40, 8,178,805.80 and 4,240,939.20 is: 6,357,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456,036.40 : 8,178,805.80 = 4,240,939.20 : x
  2. Step 2: Convert to fraction form
    5,456,036.40/8,178,805.80 = 4,240,939.20/x
  3. Step 3: Cross multiply
    5,456,036.40x = 8,178,805.80 × 4,240,939.20
  4. Step 4: Simplify right side
    5,456,036.40x = 34,685,818,126,407.36
  5. Step 5: Solve for x
    x = 34,685,818,126,407.36/5,456,036.40
  6. Step 6: Final answer
    x = 6,357,328.94

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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.