Home / 2,182,957.19-2,990,662.03-2,101,140.45

Finding the Fourth Proportional to 2,182,957.19, 2,990,662.03 and 2,101,140.45

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Solution

The fourth proportional to 2,182,957.19, 2,990,662.03 and 2,101,140.45 is: 2,878,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,957.19 : 2,990,662.03 = 2,101,140.45 : x
  2. Step 2: Convert to fraction form
    2,182,957.19/2,990,662.03 = 2,101,140.45/x
  3. Step 3: Cross multiply
    2,182,957.19x = 2,990,662.03 × 2,101,140.45
  4. Step 4: Simplify right side
    2,182,957.19x = 6,283,800,961,068.69
  5. Step 5: Solve for x
    x = 6,283,800,961,068.69/2,182,957.19
  6. Step 6: Final answer
    x = 2,878,572.69

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.