Home / 3,450,037.18-4,761,070.02-1,979,828.64

Finding the Fourth Proportional to 3,450,037.18, 4,761,070.02 and 1,979,828.64

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Solution

The fourth proportional to 3,450,037.18, 4,761,070.02 and 1,979,828.64 is: 2,732,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450,037.18 : 4,761,070.02 = 1,979,828.64 : x
  2. Step 2: Convert to fraction form
    3,450,037.18/4,761,070.02 = 1,979,828.64/x
  3. Step 3: Cross multiply
    3,450,037.18x = 4,761,070.02 × 1,979,828.64
  4. Step 4: Simplify right side
    3,450,037.18x = 9,426,102,782,641.37
  5. Step 5: Solve for x
    x = 9,426,102,782,641.37/3,450,037.18
  6. Step 6: Final answer
    x = 2,732,174.26

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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.