Home / 3,388,620.71-4,676,275.53-1,938,340.37

Finding the Fourth Proportional to 3,388,620.71, 4,676,275.53 and 1,938,340.37

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Solution

The fourth proportional to 3,388,620.71, 4,676,275.53 and 1,938,340.37 is: 2,674,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,620.71 : 4,676,275.53 = 1,938,340.37 : x
  2. Step 2: Convert to fraction form
    3,388,620.71/4,676,275.53 = 1,938,340.37/x
  3. Step 3: Cross multiply
    3,388,620.71x = 4,676,275.53 × 1,938,340.37
  4. Step 4: Simplify right side
    3,388,620.71x = 9,064,213,617,660.77
  5. Step 5: Solve for x
    x = 9,064,213,617,660.77/3,388,620.71
  6. Step 6: Final answer
    x = 2,674,897.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.