Home / 3,427,416.40-4,729,835.08-1,899,622.16

Finding the Fourth Proportional to 3,427,416.40, 4,729,835.08 and 1,899,622.16

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Solution

The fourth proportional to 3,427,416.40, 4,729,835.08 and 1,899,622.16 is: 2,621,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,416.40 : 4,729,835.08 = 1,899,622.16 : x
  2. Step 2: Convert to fraction form
    3,427,416.40/4,729,835.08 = 1,899,622.16/x
  3. Step 3: Cross multiply
    3,427,416.40x = 4,729,835.08 × 1,899,622.16
  4. Step 4: Simplify right side
    3,427,416.40x = 8,984,899,531,113.37
  5. Step 5: Solve for x
    x = 8,984,899,531,113.37/3,427,416.40
  6. Step 6: Final answer
    x = 2,621,478.83

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1.5x scale

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.