Home / 3,249,022.72-4,483,480.88-1,778,649.40

Finding the Fourth Proportional to 3,249,022.72, 4,483,480.88 and 1,778,649.40

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Solution

The fourth proportional to 3,249,022.72, 4,483,480.88 and 1,778,649.40 is: 2,454,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249,022.72 : 4,483,480.88 = 1,778,649.40 : x
  2. Step 2: Convert to fraction form
    3,249,022.72/4,483,480.88 = 1,778,649.40/x
  3. Step 3: Cross multiply
    3,249,022.72x = 4,483,480.88 × 1,778,649.40
  4. Step 4: Simplify right side
    3,249,022.72x = 7,974,540,577,123.47
  5. Step 5: Solve for x
    x = 7,974,540,577,123.47/3,249,022.72
  6. Step 6: Final answer
    x = 2,454,442.85

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1.5x scale

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.