Home / 2,358,681.20-3,538,021.80-2,319,315.20

Finding the Fourth Proportional to 2,358,681.20, 3,538,021.80 and 2,319,315.20

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Solution

The fourth proportional to 2,358,681.20, 3,538,021.80 and 2,319,315.20 is: 3,478,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358,681.20 : 3,538,021.80 = 2,319,315.20 : x
  2. Step 2: Convert to fraction form
    2,358,681.20/3,538,021.80 = 2,319,315.20/x
  3. Step 3: Cross multiply
    2,358,681.20x = 3,538,021.80 × 2,319,315.20
  4. Step 4: Simplify right side
    2,358,681.20x = 8,205,787,738,671.36
  5. Step 5: Solve for x
    x = 8,205,787,738,671.36/2,358,681.20
  6. Step 6: Final answer
    x = 3,478,972.80

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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.