Home / 1,909,116.54-2,863,806.03-561,312.18

Finding the Fourth Proportional to 1,909,116.54, 2,863,806.03 and 561,312.18

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Solution

The fourth proportional to 1,909,116.54, 2,863,806.03 and 561,312.18 is: 842,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,116.54 : 2,863,806.03 = 561,312.18 : x
  2. Step 2: Convert to fraction form
    1,909,116.54/2,863,806.03 = 561,312.18/x
  3. Step 3: Cross multiply
    1,909,116.54x = 2,863,806.03 × 561,312.18
  4. Step 4: Simplify right side
    1,909,116.54x = 1,607,489,205,796.45
  5. Step 5: Solve for x
    x = 1,607,489,205,796.45/1,909,116.54
  6. Step 6: Final answer
    x = 842,006.85

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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.