Home / 7,281,090-10,921,596.12-1,889,736.48

Finding the Fourth Proportional to 7,281,090, 10,921,596.12 and 1,889,736.48

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Solution

The fourth proportional to 7,281,090, 10,921,596.12 and 1,889,736.48 is: 2,834,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,090 : 10,921,596.12 = 1,889,736.48 : x
  2. Step 2: Convert to fraction form
    7,281,090/10,921,596.12 = 1,889,736.48/x
  3. Step 3: Cross multiply
    7,281,090x = 10,921,596.12 × 1,889,736.48
  4. Step 4: Simplify right side
    7,281,090x = 20,638,938,607,790.46
  5. Step 5: Solve for x
    x = 20,638,938,607,790.46/7,281,090
  6. Step 6: Final answer
    x = 2,834,594.63

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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.