Home / 1,551,708.48-2,140,143.36-1,061,968.32

Finding the Fourth Proportional to 1,551,708.48, 2,140,143.36 and 1,061,968.32

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Solution

The fourth proportional to 1,551,708.48, 2,140,143.36 and 1,061,968.32 is: 1,464,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,708.48 : 2,140,143.36 = 1,061,968.32 : x
  2. Step 2: Convert to fraction form
    1,551,708.48/2,140,143.36 = 1,061,968.32/x
  3. Step 3: Cross multiply
    1,551,708.48x = 2,140,143.36 × 1,061,968.32
  4. Step 4: Simplify right side
    1,551,708.48x = 2,272,764,448,578.36
  5. Step 5: Solve for x
    x = 2,272,764,448,578.36/1,551,708.48
  6. Step 6: Final answer
    x = 1,464,685.20

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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.