Home / 2,631,909.40-3,947,864.10-1,570,226.20

Finding the Fourth Proportional to 2,631,909.40, 3,947,864.10 and 1,570,226.20

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Solution

The fourth proportional to 2,631,909.40, 3,947,864.10 and 1,570,226.20 is: 2,355,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,909.40 : 3,947,864.10 = 1,570,226.20 : x
  2. Step 2: Convert to fraction form
    2,631,909.40/3,947,864.10 = 1,570,226.20/x
  3. Step 3: Cross multiply
    2,631,909.40x = 3,947,864.10 × 1,570,226.20
  4. Step 4: Simplify right side
    2,631,909.40x = 6,199,039,643,859.42
  5. Step 5: Solve for x
    x = 6,199,039,643,859.42/2,631,909.40
  6. Step 6: Final answer
    x = 2,355,339.30

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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.