Home / 1,974,005.90-2,724,146.91-1,158,223.46

Finding the Fourth Proportional to 1,974,005.90, 2,724,146.91 and 1,158,223.46

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Solution

The fourth proportional to 1,974,005.90, 2,724,146.91 and 1,158,223.46 is: 1,598,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,005.90 : 2,724,146.91 = 1,158,223.46 : x
  2. Step 2: Convert to fraction form
    1,974,005.90/2,724,146.91 = 1,158,223.46/x
  3. Step 3: Cross multiply
    1,974,005.90x = 2,724,146.91 × 1,158,223.46
  4. Step 4: Simplify right side
    1,974,005.90x = 3,155,170,859,648.51
  5. Step 5: Solve for x
    x = 3,155,170,859,648.51/1,974,005.90
  6. Step 6: Final answer
    x = 1,598,359.39

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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.