Home / 1,928,897.20-2,662,041.09-1,069,734.25

Finding the Fourth Proportional to 1,928,897.20, 2,662,041.09 and 1,069,734.25

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Solution

The fourth proportional to 1,928,897.20, 2,662,041.09 and 1,069,734.25 is: 1,476,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,897.20 : 2,662,041.09 = 1,069,734.25 : x
  2. Step 2: Convert to fraction form
    1,928,897.20/2,662,041.09 = 1,069,734.25/x
  3. Step 3: Cross multiply
    1,928,897.20x = 2,662,041.09 × 1,069,734.25
  4. Step 4: Simplify right side
    1,928,897.20x = 2,847,676,528,880.33
  5. Step 5: Solve for x
    x = 2,847,676,528,880.33/1,928,897.20
  6. Step 6: Final answer
    x = 1,476,323.64

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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.