Home / 1,819,896.51-2,729,845.68-621,830.58

Finding the Fourth Proportional to 1,819,896.51, 2,729,845.68 and 621,830.58

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Solution

The fourth proportional to 1,819,896.51, 2,729,845.68 and 621,830.58 is: 932,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,896.51 : 2,729,845.68 = 621,830.58 : x
  2. Step 2: Convert to fraction form
    1,819,896.51/2,729,845.68 = 621,830.58/x
  3. Step 3: Cross multiply
    1,819,896.51x = 2,729,845.68 × 621,830.58
  4. Step 4: Simplify right side
    1,819,896.51x = 1,697,501,514,599.84
  5. Step 5: Solve for x
    x = 1,697,501,514,599.84/1,819,896.51
  6. Step 6: Final answer
    x = 932,746.18

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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.