Home / 1,909,938.86-2,866,086.69-885,078.11

Finding the Fourth Proportional to 1,909,938.86, 2,866,086.69 and 885,078.11

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Solution

The fourth proportional to 1,909,938.86, 2,866,086.69 and 885,078.11 is: 1,328,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,938.86 : 2,866,086.69 = 885,078.11 : x
  2. Step 2: Convert to fraction form
    1,909,938.86/2,866,086.69 = 885,078.11/x
  3. Step 3: Cross multiply
    1,909,938.86x = 2,866,086.69 × 885,078.11
  4. Step 4: Simplify right side
    1,909,938.86x = 2,536,710,590,944.92
  5. Step 5: Solve for x
    x = 2,536,710,590,944.92/1,909,938.86
  6. Step 6: Final answer
    x = 1,328,163.24

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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.