Home / 2,808,005.70-4,212,008.55-1,613,612.10

Finding the Fourth Proportional to 2,808,005.70, 4,212,008.55 and 1,613,612.10

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Solution

The fourth proportional to 2,808,005.70, 4,212,008.55 and 1,613,612.10 is: 2,420,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,005.70 : 4,212,008.55 = 1,613,612.10 : x
  2. Step 2: Convert to fraction form
    2,808,005.70/4,212,008.55 = 1,613,612.10/x
  3. Step 3: Cross multiply
    2,808,005.70x = 4,212,008.55 × 1,613,612.10
  4. Step 4: Simplify right side
    2,808,005.70x = 6,796,547,961,583.46
  5. Step 5: Solve for x
    x = 6,796,547,961,583.46/2,808,005.70
  6. Step 6: Final answer
    x = 2,420,418.15

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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.