Home / 4,676,644.80-7,009,718.40-1,980,511.20

Finding the Fourth Proportional to 4,676,644.80, 7,009,718.40 and 1,980,511.20

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Solution

The fourth proportional to 4,676,644.80, 7,009,718.40 and 1,980,511.20 is: 2,968,543.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676,644.80 : 7,009,718.40 = 1,980,511.20 : x
  2. Step 2: Convert to fraction form
    4,676,644.80/7,009,718.40 = 1,980,511.20/x
  3. Step 3: Cross multiply
    4,676,644.80x = 7,009,718.40 × 1,980,511.20
  4. Step 4: Simplify right side
    4,676,644.80x = 13,882,825,800,046.08
  5. Step 5: Solve for x
    x = 13,882,825,800,046.08/4,676,644.80
  6. Step 6: Final answer
    x = 2,968,543.99

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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.