Home / 2,646,602.40-3,969,903.60-1,638,832.80

Finding the Fourth Proportional to 2,646,602.40, 3,969,903.60 and 1,638,832.80

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Solution

The fourth proportional to 2,646,602.40, 3,969,903.60 and 1,638,832.80 is: 2,458,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,602.40 : 3,969,903.60 = 1,638,832.80 : x
  2. Step 2: Convert to fraction form
    2,646,602.40/3,969,903.60 = 1,638,832.80/x
  3. Step 3: Cross multiply
    2,646,602.40x = 3,969,903.60 × 1,638,832.80
  4. Step 4: Simplify right side
    2,646,602.40x = 6,506,008,232,518.08
  5. Step 5: Solve for x
    x = 6,506,008,232,518.08/2,646,602.40
  6. Step 6: Final answer
    x = 2,458,249.20

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1.5x scale

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.