Home / 3,409,603.12-4,705,114.80-1,881,690.40

Finding the Fourth Proportional to 3,409,603.12, 4,705,114.80 and 1,881,690.40

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Solution

The fourth proportional to 3,409,603.12, 4,705,114.80 and 1,881,690.40 is: 2,596,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409,603.12 : 4,705,114.80 = 1,881,690.40 : x
  2. Step 2: Convert to fraction form
    3,409,603.12/4,705,114.80 = 1,881,690.40/x
  3. Step 3: Cross multiply
    3,409,603.12x = 4,705,114.80 × 1,881,690.40
  4. Step 4: Simplify right side
    3,409,603.12x = 8,853,569,350,057.92
  5. Step 5: Solve for x
    x = 8,853,569,350,057.92/3,409,603.12
  6. Step 6: Final answer
    x = 2,596,656.87

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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.