Home / 1,956,364.80-2,934,547.20-818,930.40

Finding the Fourth Proportional to 1,956,364.80, 2,934,547.20 and 818,930.40

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Solution

The fourth proportional to 1,956,364.80, 2,934,547.20 and 818,930.40 is: 1,228,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,364.80 : 2,934,547.20 = 818,930.40 : x
  2. Step 2: Convert to fraction form
    1,956,364.80/2,934,547.20 = 818,930.40/x
  3. Step 3: Cross multiply
    1,956,364.80x = 2,934,547.20 × 818,930.40
  4. Step 4: Simplify right side
    1,956,364.80x = 2,403,189,912,314.88
  5. Step 5: Solve for x
    x = 2,403,189,912,314.88/1,956,364.80
  6. Step 6: Final answer
    x = 1,228,395.60

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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.