Home / 2,021,385.40-3,032,078.10-1,010,663.35

Finding the Fourth Proportional to 2,021,385.40, 3,032,078.10 and 1,010,663.35

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Solution

The fourth proportional to 2,021,385.40, 3,032,078.10 and 1,010,663.35 is: 1,515,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,385.40 : 3,032,078.10 = 1,010,663.35 : x
  2. Step 2: Convert to fraction form
    2,021,385.40/3,032,078.10 = 1,010,663.35/x
  3. Step 3: Cross multiply
    2,021,385.40x = 3,032,078.10 × 1,010,663.35
  4. Step 4: Simplify right side
    2,021,385.40x = 3,064,410,210,007.64
  5. Step 5: Solve for x
    x = 3,064,410,210,007.64/2,021,385.40
  6. Step 6: Final answer
    x = 1,515,995.03

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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.