Home / 1,911,365.83-2,867,492.51-631,896.11

Finding the Fourth Proportional to 1,911,365.83, 2,867,492.51 and 631,896.11

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Solution

The fourth proportional to 1,911,365.83, 2,867,492.51 and 631,896.11 is: 947,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,365.83 : 2,867,492.51 = 631,896.11 : x
  2. Step 2: Convert to fraction form
    1,911,365.83/2,867,492.51 = 631,896.11/x
  3. Step 3: Cross multiply
    1,911,365.83x = 2,867,492.51 × 631,896.11
  4. Step 4: Simplify right side
    1,911,365.83x = 1,811,957,362,523.14
  5. Step 5: Solve for x
    x = 1,811,957,362,523.14/1,911,365.83
  6. Step 6: Final answer
    x = 947,990.87

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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.