Home / 4,778,907.80-7,172,444.10-1,941,056.60

Finding the Fourth Proportional to 4,778,907.80, 7,172,444.10 and 1,941,056.60

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Solution

The fourth proportional to 4,778,907.80, 7,172,444.10 and 1,941,056.60 is: 2,913,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778,907.80 : 7,172,444.10 = 1,941,056.60 : x
  2. Step 2: Convert to fraction form
    4,778,907.80/7,172,444.10 = 1,941,056.60/x
  3. Step 3: Cross multiply
    4,778,907.80x = 7,172,444.10 × 1,941,056.60
  4. Step 4: Simplify right side
    4,778,907.80x = 13,922,119,958,436.06
  5. Step 5: Solve for x
    x = 13,922,119,958,436.06/4,778,907.80
  6. Step 6: Final answer
    x = 2,913,243.05

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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.