Home / 2,778,678-3,834,575.64-1,506,870

Finding the Fourth Proportional to 2,778,678, 3,834,575.64 and 1,506,870

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Solution

The fourth proportional to 2,778,678, 3,834,575.64 and 1,506,870 is: 2,079,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,678 : 3,834,575.64 = 1,506,870 : x
  2. Step 2: Convert to fraction form
    2,778,678/3,834,575.64 = 1,506,870/x
  3. Step 3: Cross multiply
    2,778,678x = 3,834,575.64 × 1,506,870
  4. Step 4: Simplify right side
    2,778,678x = 5,778,206,994,646.80
  5. Step 5: Solve for x
    x = 5,778,206,994,646.80/2,778,678
  6. Step 6: Final answer
    x = 2,079,480.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.