Home / 2,195,648.51-3,029,929.74-1,215,631.13

Finding the Fourth Proportional to 2,195,648.51, 3,029,929.74 and 1,215,631.13

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Solution

The fourth proportional to 2,195,648.51, 3,029,929.74 and 1,215,631.13 is: 1,677,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,648.51 : 3,029,929.74 = 1,215,631.13 : x
  2. Step 2: Convert to fraction form
    2,195,648.51/3,029,929.74 = 1,215,631.13/x
  3. Step 3: Cross multiply
    2,195,648.51x = 3,029,929.74 × 1,215,631.13
  4. Step 4: Simplify right side
    2,195,648.51x = 3,683,276,898,507.16
  5. Step 5: Solve for x
    x = 3,683,276,898,507.16/2,195,648.51
  6. Step 6: Final answer
    x = 1,677,534.86

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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.