Home / 2,772,835.20-4,159,252.80-778,291.20

Finding the Fourth Proportional to 2,772,835.20, 4,159,252.80 and 778,291.20

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Solution

The fourth proportional to 2,772,835.20, 4,159,252.80 and 778,291.20 is: 1,167,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,835.20 : 4,159,252.80 = 778,291.20 : x
  2. Step 2: Convert to fraction form
    2,772,835.20/4,159,252.80 = 778,291.20/x
  3. Step 3: Cross multiply
    2,772,835.20x = 4,159,252.80 × 778,291.20
  4. Step 4: Simplify right side
    2,772,835.20x = 3,237,109,852,815.36
  5. Step 5: Solve for x
    x = 3,237,109,852,815.36/2,772,835.20
  6. Step 6: Final answer
    x = 1,167,436.80

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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.