Home / 2,768,909.90-4,145,070.45-1,646,401.10

Finding the Fourth Proportional to 2,768,909.90, 4,145,070.45 and 1,646,401.10

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Solution

The fourth proportional to 2,768,909.90, 4,145,070.45 and 1,646,401.10 is: 2,464,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,909.90 : 4,145,070.45 = 1,646,401.10 : x
  2. Step 2: Convert to fraction form
    2,768,909.90/4,145,070.45 = 1,646,401.10/x
  3. Step 3: Cross multiply
    2,768,909.90x = 4,145,070.45 × 1,646,401.10
  4. Step 4: Simplify right side
    2,768,909.90x = 6,824,448,548,457.50
  5. Step 5: Solve for x
    x = 6,824,448,548,457.50/2,768,909.90
  6. Step 6: Final answer
    x = 2,464,669.78

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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.