Home / 2,945,659.86-4,063,011.57-1,911,319.38

Finding the Fourth Proportional to 2,945,659.86, 4,063,011.57 and 1,911,319.38

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Solution

The fourth proportional to 2,945,659.86, 4,063,011.57 and 1,911,319.38 is: 2,636,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,659.86 : 4,063,011.57 = 1,911,319.38 : x
  2. Step 2: Convert to fraction form
    2,945,659.86/4,063,011.57 = 1,911,319.38/x
  3. Step 3: Cross multiply
    2,945,659.86x = 4,063,011.57 × 1,911,319.38
  4. Step 4: Simplify right side
    2,945,659.86x = 7,765,712,754,905.23
  5. Step 5: Solve for x
    x = 7,765,712,754,905.23/2,945,659.86
  6. Step 6: Final answer
    x = 2,636,323.65

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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.