Home / 3,107,140.80-4,671,208.80-2,645,246.40

Finding the Fourth Proportional to 3,107,140.80, 4,671,208.80 and 2,645,246.40

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Solution

The fourth proportional to 3,107,140.80, 4,671,208.80 and 2,645,246.40 is: 3,976,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,140.80 : 4,671,208.80 = 2,645,246.40 : x
  2. Step 2: Convert to fraction form
    3,107,140.80/4,671,208.80 = 2,645,246.40/x
  3. Step 3: Cross multiply
    3,107,140.80x = 4,671,208.80 × 2,645,246.40
  4. Step 4: Simplify right side
    3,107,140.80x = 12,356,498,261,848.32
  5. Step 5: Solve for x
    x = 12,356,498,261,848.32/3,107,140.80
  6. Step 6: Final answer
    x = 3,976,806.67

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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.