Home / 2,142,628.73-3,213,880.76-626,347.28

Finding the Fourth Proportional to 2,142,628.73, 3,213,880.76 and 626,347.28

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Solution

The fourth proportional to 2,142,628.73, 3,213,880.76 and 626,347.28 is: 939,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,628.73 : 3,213,880.76 = 626,347.28 : x
  2. Step 2: Convert to fraction form
    2,142,628.73/3,213,880.76 = 626,347.28/x
  3. Step 3: Cross multiply
    2,142,628.73x = 3,213,880.76 × 626,347.28
  4. Step 4: Simplify right side
    2,142,628.73x = 2,013,005,453,069.19
  5. Step 5: Solve for x
    x = 2,013,005,453,069.19/2,142,628.73
  6. Step 6: Final answer
    x = 939,502.69

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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.