Home / 2,017,893-2,783,116.98-1,292,808

Finding the Fourth Proportional to 2,017,893, 2,783,116.98 and 1,292,808

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Solution

The fourth proportional to 2,017,893, 2,783,116.98 and 1,292,808 is: 1,783,065.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017,893 : 2,783,116.98 = 1,292,808 : x
  2. Step 2: Convert to fraction form
    2,017,893/2,783,116.98 = 1,292,808/x
  3. Step 3: Cross multiply
    2,017,893x = 2,783,116.98 × 1,292,808
  4. Step 4: Simplify right side
    2,017,893x = 3,598,035,896,679.84
  5. Step 5: Solve for x
    x = 3,598,035,896,679.84/2,017,893
  6. Step 6: Final answer
    x = 1,783,065.75

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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.