Home / 3,230,995.86-4,458,592.44-1,780,686.72

Finding the Fourth Proportional to 3,230,995.86, 4,458,592.44 and 1,780,686.72

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Solution

The fourth proportional to 3,230,995.86, 4,458,592.44 and 1,780,686.72 is: 2,457,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,995.86 : 4,458,592.44 = 1,780,686.72 : x
  2. Step 2: Convert to fraction form
    3,230,995.86/4,458,592.44 = 1,780,686.72/x
  3. Step 3: Cross multiply
    3,230,995.86x = 4,458,592.44 × 1,780,686.72
  4. Step 4: Simplify right side
    3,230,995.86x = 7,939,356,347,800.40
  5. Step 5: Solve for x
    x = 7,939,356,347,800.40/3,230,995.86
  6. Step 6: Final answer
    x = 2,457,247.45

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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.