Home / 2,180,653.86-3,009,302.45-1,213,763.42

Finding the Fourth Proportional to 2,180,653.86, 3,009,302.45 and 1,213,763.42

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Solution

The fourth proportional to 2,180,653.86, 3,009,302.45 and 1,213,763.42 is: 1,674,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,653.86 : 3,009,302.45 = 1,213,763.42 : x
  2. Step 2: Convert to fraction form
    2,180,653.86/3,009,302.45 = 1,213,763.42/x
  3. Step 3: Cross multiply
    2,180,653.86x = 3,009,302.45 × 1,213,763.42
  4. Step 4: Simplify right side
    2,180,653.86x = 3,652,581,233,526.38
  5. Step 5: Solve for x
    x = 3,652,581,233,526.38/2,180,653.86
  6. Step 6: Final answer
    x = 1,674,993.59

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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.