Home / 3,245,570.78-4,477,480.34-1,955,678.18

Finding the Fourth Proportional to 3,245,570.78, 4,477,480.34 and 1,955,678.18

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Solution

The fourth proportional to 3,245,570.78, 4,477,480.34 and 1,955,678.18 is: 2,697,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245,570.78 : 4,477,480.34 = 1,955,678.18 : x
  2. Step 2: Convert to fraction form
    3,245,570.78/4,477,480.34 = 1,955,678.18/x
  3. Step 3: Cross multiply
    3,245,570.78x = 4,477,480.34 × 1,955,678.18
  4. Step 4: Simplify right side
    3,245,570.78x = 8,756,510,570,151.19
  5. Step 5: Solve for x
    x = 8,756,510,570,151.19/3,245,570.78
  6. Step 6: Final answer
    x = 2,697,987.87

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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.