Home / 2,385,890.90-3,578,836.35-2,124,617.30

Finding the Fourth Proportional to 2,385,890.90, 3,578,836.35 and 2,124,617.30

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Solution

The fourth proportional to 2,385,890.90, 3,578,836.35 and 2,124,617.30 is: 3,186,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385,890.90 : 3,578,836.35 = 2,124,617.30 : x
  2. Step 2: Convert to fraction form
    2,385,890.90/3,578,836.35 = 2,124,617.30/x
  3. Step 3: Cross multiply
    2,385,890.90x = 3,578,836.35 × 2,124,617.30
  4. Step 4: Simplify right side
    2,385,890.90x = 7,603,657,623,078.86
  5. Step 5: Solve for x
    x = 7,603,657,623,078.86/2,385,890.90
  6. Step 6: Final answer
    x = 3,186,925.95

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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.