Home / 3,249,019.73-4,483,476.74-1,778,646.39

Finding the Fourth Proportional to 3,249,019.73, 4,483,476.74 and 1,778,646.39

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Solution

The fourth proportional to 3,249,019.73, 4,483,476.74 and 1,778,646.39 is: 2,454,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249,019.73 : 4,483,476.74 = 1,778,646.39 : x
  2. Step 2: Convert to fraction form
    3,249,019.73/4,483,476.74 = 1,778,646.39/x
  3. Step 3: Cross multiply
    3,249,019.73x = 4,483,476.74 × 1,778,646.39
  4. Step 4: Simplify right side
    3,249,019.73x = 7,974,519,718,249.97
  5. Step 5: Solve for x
    x = 7,974,519,718,249.97/3,249,019.73
  6. Step 6: Final answer
    x = 2,454,438.69

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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.