Home / 3,572,803.60-5,359,205.40-1,328,477.20

Finding the Fourth Proportional to 3,572,803.60, 5,359,205.40 and 1,328,477.20

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Solution

The fourth proportional to 3,572,803.60, 5,359,205.40 and 1,328,477.20 is: 1,992,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,803.60 : 5,359,205.40 = 1,328,477.20 : x
  2. Step 2: Convert to fraction form
    3,572,803.60/5,359,205.40 = 1,328,477.20/x
  3. Step 3: Cross multiply
    3,572,803.60x = 5,359,205.40 × 1,328,477.20
  4. Step 4: Simplify right side
    3,572,803.60x = 7,119,582,184,016.88
  5. Step 5: Solve for x
    x = 7,119,582,184,016.88/3,572,803.60
  6. Step 6: Final answer
    x = 1,992,715.80

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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.