Home / 1,915,005.60-2,866,978.80-1,168,509.60

Finding the Fourth Proportional to 1,915,005.60, 2,866,978.80 and 1,168,509.60

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Solution

The fourth proportional to 1,915,005.60, 2,866,978.80 and 1,168,509.60 is: 1,749,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,005.60 : 2,866,978.80 = 1,168,509.60 : x
  2. Step 2: Convert to fraction form
    1,915,005.60/2,866,978.80 = 1,168,509.60/x
  3. Step 3: Cross multiply
    1,915,005.60x = 2,866,978.80 × 1,168,509.60
  4. Step 4: Simplify right side
    1,915,005.60x = 3,350,092,250,796.48
  5. Step 5: Solve for x
    x = 3,350,092,250,796.48/1,915,005.60
  6. Step 6: Final answer
    x = 1,749,390.32

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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.