Home / 2,805,184.20-4,197,278.70-1,860,400.20

Finding the Fourth Proportional to 2,805,184.20, 4,197,278.70 and 1,860,400.20

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Solution

The fourth proportional to 2,805,184.20, 4,197,278.70 and 1,860,400.20 is: 2,783,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,184.20 : 4,197,278.70 = 1,860,400.20 : x
  2. Step 2: Convert to fraction form
    2,805,184.20/4,197,278.70 = 1,860,400.20/x
  3. Step 3: Cross multiply
    2,805,184.20x = 4,197,278.70 × 1,860,400.20
  4. Step 4: Simplify right side
    2,805,184.20x = 7,808,618,132,935.74
  5. Step 5: Solve for x
    x = 7,808,618,132,935.74/2,805,184.20
  6. Step 6: Final answer
    x = 2,783,638.28

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1.5x scale

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.