Home / 1,817,721.60-2,726,582.40-1,640,774.40

Finding the Fourth Proportional to 1,817,721.60, 2,726,582.40 and 1,640,774.40

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Solution

The fourth proportional to 1,817,721.60, 2,726,582.40 and 1,640,774.40 is: 2,461,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,721.60 : 2,726,582.40 = 1,640,774.40 : x
  2. Step 2: Convert to fraction form
    1,817,721.60/2,726,582.40 = 1,640,774.40/x
  3. Step 3: Cross multiply
    1,817,721.60x = 2,726,582.40 × 1,640,774.40
  4. Step 4: Simplify right side
    1,817,721.60x = 4,473,706,601,410.56
  5. Step 5: Solve for x
    x = 4,473,706,601,410.56/1,817,721.60
  6. Step 6: Final answer
    x = 2,461,161.60

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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.