Home / 1,867,216.80-2,798,492.40-1,367,997.60

Finding the Fourth Proportional to 1,867,216.80, 2,798,492.40 and 1,367,997.60

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Solution

The fourth proportional to 1,867,216.80, 2,798,492.40 and 1,367,997.60 is: 2,050,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,216.80 : 2,798,492.40 = 1,367,997.60 : x
  2. Step 2: Convert to fraction form
    1,867,216.80/2,798,492.40 = 1,367,997.60/x
  3. Step 3: Cross multiply
    1,867,216.80x = 2,798,492.40 × 1,367,997.60
  4. Step 4: Simplify right side
    1,867,216.80x = 3,828,330,886,818.24
  5. Step 5: Solve for x
    x = 3,828,330,886,818.24/1,867,216.80
  6. Step 6: Final answer
    x = 2,050,287.30

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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.