Home / 1,999,271.63-2,756,125.22-1,425,315.35

Finding the Fourth Proportional to 1,999,271.63, 2,756,125.22 and 1,425,315.35

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Solution

The fourth proportional to 1,999,271.63, 2,756,125.22 and 1,425,315.35 is: 1,964,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,271.63 : 2,756,125.22 = 1,425,315.35 : x
  2. Step 2: Convert to fraction form
    1,999,271.63/2,756,125.22 = 1,425,315.35/x
  3. Step 3: Cross multiply
    1,999,271.63x = 2,756,125.22 × 1,425,315.35
  4. Step 4: Simplify right side
    1,999,271.63x = 3,928,347,561,680.92
  5. Step 5: Solve for x
    x = 3,928,347,561,680.92/1,999,271.63
  6. Step 6: Final answer
    x = 1,964,889.37

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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.