Home / 1,911,364.83-2,867,491.01-631,895.11

Finding the Fourth Proportional to 1,911,364.83, 2,867,491.01 and 631,895.11

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Solution

The fourth proportional to 1,911,364.83, 2,867,491.01 and 631,895.11 is: 947,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,364.83 : 2,867,491.01 = 631,895.11 : x
  2. Step 2: Convert to fraction form
    1,911,364.83/2,867,491.01 = 631,895.11/x
  3. Step 3: Cross multiply
    1,911,364.83x = 2,867,491.01 × 631,895.11
  4. Step 4: Simplify right side
    1,911,364.83x = 1,811,953,541,598.97
  5. Step 5: Solve for x
    x = 1,811,953,541,598.97/1,911,364.83
  6. Step 6: Final answer
    x = 947,989.37

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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.