Home / 2,021,026.74-2,788,354.47-1,440,341.31

Finding the Fourth Proportional to 2,021,026.74, 2,788,354.47 and 1,440,341.31

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Solution

The fourth proportional to 2,021,026.74, 2,788,354.47 and 1,440,341.31 is: 1,987,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,026.74 : 2,788,354.47 = 1,440,341.31 : x
  2. Step 2: Convert to fraction form
    2,021,026.74/2,788,354.47 = 1,440,341.31/x
  3. Step 3: Cross multiply
    2,021,026.74x = 2,788,354.47 × 1,440,341.31
  4. Step 4: Simplify right side
    2,021,026.74x = 4,016,182,130,064.16
  5. Step 5: Solve for x
    x = 4,016,182,130,064.16/2,021,026.74
  6. Step 6: Final answer
    x = 1,987,198.91

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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.