Home / 2,017,918.95-2,783,153.52-1,292,834.59

Finding the Fourth Proportional to 2,017,918.95, 2,783,153.52 and 1,292,834.59

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Solution

The fourth proportional to 2,017,918.95, 2,783,153.52 and 1,292,834.59 is: 1,783,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017,918.95 : 2,783,153.52 = 1,292,834.59 : x
  2. Step 2: Convert to fraction form
    2,017,918.95/2,783,153.52 = 1,292,834.59/x
  3. Step 3: Cross multiply
    2,017,918.95x = 2,783,153.52 × 1,292,834.59
  4. Step 4: Simplify right side
    2,017,918.95x = 3,598,157,139,936.26
  5. Step 5: Solve for x
    x = 3,598,157,139,936.26/2,017,918.95
  6. Step 6: Final answer
    x = 1,783,102.90

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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.