Home / 3,019,143-4,166,417.34-1,660,986.84

Finding the Fourth Proportional to 3,019,143, 4,166,417.34 and 1,660,986.84

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Solution

The fourth proportional to 3,019,143, 4,166,417.34 and 1,660,986.84 is: 2,292,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,143 : 4,166,417.34 = 1,660,986.84 : x
  2. Step 2: Convert to fraction form
    3,019,143/4,166,417.34 = 1,660,986.84/x
  3. Step 3: Cross multiply
    3,019,143x = 4,166,417.34 × 1,660,986.84
  4. Step 4: Simplify right side
    3,019,143x = 6,920,364,371,687.81
  5. Step 5: Solve for x
    x = 6,920,364,371,687.81/3,019,143
  6. Step 6: Final answer
    x = 2,292,161.84

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Double scale
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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.