Home / 3,128,182.24-4,688,028.96-1,328,809.36

Finding the Fourth Proportional to 3,128,182.24, 4,688,028.96 and 1,328,809.36

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Solution

The fourth proportional to 3,128,182.24, 4,688,028.96 and 1,328,809.36 is: 1,991,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,182.24 : 4,688,028.96 = 1,328,809.36 : x
  2. Step 2: Convert to fraction form
    3,128,182.24/4,688,028.96 = 1,328,809.36/x
  3. Step 3: Cross multiply
    3,128,182.24x = 4,688,028.96 × 1,328,809.36
  4. Step 4: Simplify right side
    3,128,182.24x = 6,229,496,761,999.07
  5. Step 5: Solve for x
    x = 6,229,496,761,999.07/3,128,182.24
  6. Step 6: Final answer
    x = 1,991,411.08

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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.