Home / 2,689,201.60-4,033,802.40-694,657.60

Finding the Fourth Proportional to 2,689,201.60, 4,033,802.40 and 694,657.60

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Solution

The fourth proportional to 2,689,201.60, 4,033,802.40 and 694,657.60 is: 1,041,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,201.60 : 4,033,802.40 = 694,657.60 : x
  2. Step 2: Convert to fraction form
    2,689,201.60/4,033,802.40 = 694,657.60/x
  3. Step 3: Cross multiply
    2,689,201.60x = 4,033,802.40 × 694,657.60
  4. Step 4: Simplify right side
    2,689,201.60x = 2,802,111,494,058.24
  5. Step 5: Solve for x
    x = 2,802,111,494,058.24/2,689,201.60
  6. Step 6: Final answer
    x = 1,041,986.40

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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.