Home / 4,386,647.20-6,579,970.80-3,111,188.80

Finding the Fourth Proportional to 4,386,647.20, 6,579,970.80 and 3,111,188.80

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Solution

The fourth proportional to 4,386,647.20, 6,579,970.80 and 3,111,188.80 is: 4,666,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386,647.20 : 6,579,970.80 = 3,111,188.80 : x
  2. Step 2: Convert to fraction form
    4,386,647.20/6,579,970.80 = 3,111,188.80/x
  3. Step 3: Cross multiply
    4,386,647.20x = 6,579,970.80 × 3,111,188.80
  4. Step 4: Simplify right side
    4,386,647.20x = 20,471,531,457,287.04
  5. Step 5: Solve for x
    x = 20,471,531,457,287.04/4,386,647.20
  6. Step 6: Final answer
    x = 4,666,783.20

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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.