Home / 2,720,417.02-4,081,123.71-1,122,108.21

Finding the Fourth Proportional to 2,720,417.02, 4,081,123.71 and 1,122,108.21

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Solution

The fourth proportional to 2,720,417.02, 4,081,123.71 and 1,122,108.21 is: 1,683,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,417.02 : 4,081,123.71 = 1,122,108.21 : x
  2. Step 2: Convert to fraction form
    2,720,417.02/4,081,123.71 = 1,122,108.21/x
  3. Step 3: Cross multiply
    2,720,417.02x = 4,081,123.71 × 1,122,108.21
  4. Step 4: Simplify right side
    2,720,417.02x = 4,579,462,421,016.66
  5. Step 5: Solve for x
    x = 4,579,462,421,016.66/2,720,417.02
  6. Step 6: Final answer
    x = 1,683,367.80

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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.