Home / 6,416,384.40-9,623,701.80-1,928,660.40

Finding the Fourth Proportional to 6,416,384.40, 9,623,701.80 and 1,928,660.40

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Solution

The fourth proportional to 6,416,384.40, 9,623,701.80 and 1,928,660.40 is: 2,892,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416,384.40 : 9,623,701.80 = 1,928,660.40 : x
  2. Step 2: Convert to fraction form
    6,416,384.40/9,623,701.80 = 1,928,660.40/x
  3. Step 3: Cross multiply
    6,416,384.40x = 9,623,701.80 × 1,928,660.40
  4. Step 4: Simplify right side
    6,416,384.40x = 18,560,852,563,068.72
  5. Step 5: Solve for x
    x = 18,560,852,563,068.72/6,416,384.40
  6. Step 6: Final answer
    x = 2,892,727.65

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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.