Home / 2,766,985.60-4,150,478.40-1,698,563.20

Finding the Fourth Proportional to 2,766,985.60, 4,150,478.40 and 1,698,563.20

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Solution

The fourth proportional to 2,766,985.60, 4,150,478.40 and 1,698,563.20 is: 2,547,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,985.60 : 4,150,478.40 = 1,698,563.20 : x
  2. Step 2: Convert to fraction form
    2,766,985.60/4,150,478.40 = 1,698,563.20/x
  3. Step 3: Cross multiply
    2,766,985.60x = 4,150,478.40 × 1,698,563.20
  4. Step 4: Simplify right side
    2,766,985.60x = 7,049,849,872,634.88
  5. Step 5: Solve for x
    x = 7,049,849,872,634.88/2,766,985.60
  6. Step 6: Final answer
    x = 2,547,844.80

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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.