Home / 4,680,583.80-7,020,875.70-2,658,046.20

Finding the Fourth Proportional to 4,680,583.80, 7,020,875.70 and 2,658,046.20

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Solution

The fourth proportional to 4,680,583.80, 7,020,875.70 and 2,658,046.20 is: 3,987,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,583.80 : 7,020,875.70 = 2,658,046.20 : x
  2. Step 2: Convert to fraction form
    4,680,583.80/7,020,875.70 = 2,658,046.20/x
  3. Step 3: Cross multiply
    4,680,583.80x = 7,020,875.70 × 2,658,046.20
  4. Step 4: Simplify right side
    4,680,583.80x = 18,661,811,975,057.34
  5. Step 5: Solve for x
    x = 18,661,811,975,057.34/4,680,583.80
  6. Step 6: Final answer
    x = 3,987,069.30

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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.