Home / 1,684,585.20-2,526,877.80-1,640,298.45

Finding the Fourth Proportional to 1,684,585.20, 2,526,877.80 and 1,640,298.45

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Solution

The fourth proportional to 1,684,585.20, 2,526,877.80 and 1,640,298.45 is: 2,460,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,585.20 : 2,526,877.80 = 1,640,298.45 : x
  2. Step 2: Convert to fraction form
    1,684,585.20/2,526,877.80 = 1,640,298.45/x
  3. Step 3: Cross multiply
    1,684,585.20x = 2,526,877.80 × 1,640,298.45
  4. Step 4: Simplify right side
    1,684,585.20x = 4,144,833,738,679.41
  5. Step 5: Solve for x
    x = 4,144,833,738,679.41/1,684,585.20
  6. Step 6: Final answer
    x = 2,460,447.68

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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.