Home / 1,865,509.28-2,568,177.60-1,779,811.28

Finding the Fourth Proportional to 1,865,509.28, 2,568,177.60 and 1,779,811.28

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Solution

The fourth proportional to 1,865,509.28, 2,568,177.60 and 1,779,811.28 is: 2,450,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,509.28 : 2,568,177.60 = 1,779,811.28 : x
  2. Step 2: Convert to fraction form
    1,865,509.28/2,568,177.60 = 1,779,811.28/x
  3. Step 3: Cross multiply
    1,865,509.28x = 2,568,177.60 × 1,779,811.28
  4. Step 4: Simplify right side
    1,865,509.28x = 4,570,871,461,523.33
  5. Step 5: Solve for x
    x = 4,570,871,461,523.33/1,865,509.28
  6. Step 6: Final answer
    x = 2,450,200.33

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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.