Home / 2,116,025.04-2,918,139.84-1,631,813.52

Finding the Fourth Proportional to 2,116,025.04, 2,918,139.84 and 1,631,813.52

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Solution

The fourth proportional to 2,116,025.04, 2,918,139.84 and 1,631,813.52 is: 2,250,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,025.04 : 2,918,139.84 = 1,631,813.52 : x
  2. Step 2: Convert to fraction form
    2,116,025.04/2,918,139.84 = 1,631,813.52/x
  3. Step 3: Cross multiply
    2,116,025.04x = 2,918,139.84 × 1,631,813.52
  4. Step 4: Simplify right side
    2,116,025.04x = 4,761,860,044,162.64
  5. Step 5: Solve for x
    x = 4,761,860,044,162.64/2,116,025.04
  6. Step 6: Final answer
    x = 2,250,379.82

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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.