Home / 2,142,828.07-3,214,045.27-722,896.45

Finding the Fourth Proportional to 2,142,828.07, 3,214,045.27 and 722,896.45

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Solution

The fourth proportional to 2,142,828.07, 3,214,045.27 and 722,896.45 is: 1,084,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,828.07 : 3,214,045.27 = 722,896.45 : x
  2. Step 2: Convert to fraction form
    2,142,828.07/3,214,045.27 = 722,896.45/x
  3. Step 3: Cross multiply
    2,142,828.07x = 3,214,045.27 × 722,896.45
  4. Step 4: Simplify right side
    2,142,828.07x = 2,323,421,908,690.80
  5. Step 5: Solve for x
    x = 2,323,421,908,690.80/2,142,828.07
  6. Step 6: Final answer
    x = 1,084,278.27

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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.