Home / 3,158,802.88-4,739,044.38-999,869.36

Finding the Fourth Proportional to 3,158,802.88, 4,739,044.38 and 999,869.36

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Solution

The fourth proportional to 3,158,802.88, 4,739,044.38 and 999,869.36 is: 1,500,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,802.88 : 4,739,044.38 = 999,869.36 : x
  2. Step 2: Convert to fraction form
    3,158,802.88/4,739,044.38 = 999,869.36/x
  3. Step 3: Cross multiply
    3,158,802.88x = 4,739,044.38 × 999,869.36
  4. Step 4: Simplify right side
    3,158,802.88x = 4,738,425,271,242.20
  5. Step 5: Solve for x
    x = 4,738,425,271,242.20/3,158,802.88
  6. Step 6: Final answer
    x = 1,500,069.95

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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.