Home / 2,720,059.60-4,080,089.40-1,637,640.40

Finding the Fourth Proportional to 2,720,059.60, 4,080,089.40 and 1,637,640.40

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Solution

The fourth proportional to 2,720,059.60, 4,080,089.40 and 1,637,640.40 is: 2,456,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,059.60 : 4,080,089.40 = 1,637,640.40 : x
  2. Step 2: Convert to fraction form
    2,720,059.60/4,080,089.40 = 1,637,640.40/x
  3. Step 3: Cross multiply
    2,720,059.60x = 4,080,089.40 × 1,637,640.40
  4. Step 4: Simplify right side
    2,720,059.60x = 6,681,719,237,051.76
  5. Step 5: Solve for x
    x = 6,681,719,237,051.76/2,720,059.60
  6. Step 6: Final answer
    x = 2,456,460.60

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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.