Home / 2,389,838.22-3,581,280-1,477,071.90

Finding the Fourth Proportional to 2,389,838.22, 3,581,280 and 1,477,071.90

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Solution

The fourth proportional to 2,389,838.22, 3,581,280 and 1,477,071.90 is: 2,213,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,838.22 : 3,581,280 = 1,477,071.90 : x
  2. Step 2: Convert to fraction form
    2,389,838.22/3,581,280 = 1,477,071.90/x
  3. Step 3: Cross multiply
    2,389,838.22x = 3,581,280 × 1,477,071.90
  4. Step 4: Simplify right side
    2,389,838.22x = 5,289,808,054,032
  5. Step 5: Solve for x
    x = 5,289,808,054,032/2,389,838.22
  6. Step 6: Final answer
    x = 2,213,458.64

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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.