Home / 2,920,166.55-4,029,872.12-1,613,448.66

Finding the Fourth Proportional to 2,920,166.55, 4,029,872.12 and 1,613,448.66

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Solution

The fourth proportional to 2,920,166.55, 4,029,872.12 and 1,613,448.66 is: 2,226,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,166.55 : 4,029,872.12 = 1,613,448.66 : x
  2. Step 2: Convert to fraction form
    2,920,166.55/4,029,872.12 = 1,613,448.66/x
  3. Step 3: Cross multiply
    2,920,166.55x = 4,029,872.12 × 1,613,448.66
  4. Step 4: Simplify right side
    2,920,166.55x = 6,501,991,771,985.36
  5. Step 5: Solve for x
    x = 6,501,991,771,985.36/2,920,166.55
  6. Step 6: Final answer
    x = 2,226,582.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.