Home / 1,998,677.80-2,996,979.90-735,855.40

Finding the Fourth Proportional to 1,998,677.80, 2,996,979.90 and 735,855.40

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Solution

The fourth proportional to 1,998,677.80, 2,996,979.90 and 735,855.40 is: 1,103,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,677.80 : 2,996,979.90 = 735,855.40 : x
  2. Step 2: Convert to fraction form
    1,998,677.80/2,996,979.90 = 735,855.40/x
  3. Step 3: Cross multiply
    1,998,677.80x = 2,996,979.90 × 735,855.40
  4. Step 4: Simplify right side
    1,998,677.80x = 2,205,343,843,106.46
  5. Step 5: Solve for x
    x = 2,205,343,843,106.46/1,998,677.80
  6. Step 6: Final answer
    x = 1,103,401.38

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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.