Home / 1,628,287.11-2,248,055.57-1,048,518.88

Finding the Fourth Proportional to 1,628,287.11, 2,248,055.57 and 1,048,518.88

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Solution

The fourth proportional to 1,628,287.11, 2,248,055.57 and 1,048,518.88 is: 1,447,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,287.11 : 2,248,055.57 = 1,048,518.88 : x
  2. Step 2: Convert to fraction form
    1,628,287.11/2,248,055.57 = 1,048,518.88/x
  3. Step 3: Cross multiply
    1,628,287.11x = 2,248,055.57 × 1,048,518.88
  4. Step 4: Simplify right side
    1,628,287.11x = 2,357,128,705,435.32
  5. Step 5: Solve for x
    x = 2,357,128,705,435.32/1,628,287.11
  6. Step 6: Final answer
    x = 1,447,612.46

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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.