Home / 3,528,803.60-5,293,205.40-2,108,128.40

Finding the Fourth Proportional to 3,528,803.60, 5,293,205.40 and 2,108,128.40

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Solution

The fourth proportional to 3,528,803.60, 5,293,205.40 and 2,108,128.40 is: 3,162,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528,803.60 : 5,293,205.40 = 2,108,128.40 : x
  2. Step 2: Convert to fraction form
    3,528,803.60/5,293,205.40 = 2,108,128.40/x
  3. Step 3: Cross multiply
    3,528,803.60x = 5,293,205.40 × 2,108,128.40
  4. Step 4: Simplify right side
    3,528,803.60x = 11,158,756,630,773.36
  5. Step 5: Solve for x
    x = 11,158,756,630,773.36/3,528,803.60
  6. Step 6: Final answer
    x = 3,162,192.60

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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.