Home / 3,230,111.40-4,457,494.98-1,779,940.68

Finding the Fourth Proportional to 3,230,111.40, 4,457,494.98 and 1,779,940.68

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Solution

The fourth proportional to 3,230,111.40, 4,457,494.98 and 1,779,940.68 is: 2,456,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,111.40 : 4,457,494.98 = 1,779,940.68 : x
  2. Step 2: Convert to fraction form
    3,230,111.40/4,457,494.98 = 1,779,940.68/x
  3. Step 3: Cross multiply
    3,230,111.40x = 4,457,494.98 × 1,779,940.68
  4. Step 4: Simplify right side
    3,230,111.40x = 7,934,076,645,797.79
  5. Step 5: Solve for x
    x = 7,934,076,645,797.79/3,230,111.40
  6. Step 6: Final answer
    x = 2,456,285.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.