Home / 2,694,681.75-3,717,777.69-1,920,434.55

Finding the Fourth Proportional to 2,694,681.75, 3,717,777.69 and 1,920,434.55

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Solution

The fourth proportional to 2,694,681.75, 3,717,777.69 and 1,920,434.55 is: 2,649,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694,681.75 : 3,717,777.69 = 1,920,434.55 : x
  2. Step 2: Convert to fraction form
    2,694,681.75/3,717,777.69 = 1,920,434.55/x
  3. Step 3: Cross multiply
    2,694,681.75x = 3,717,777.69 × 1,920,434.55
  4. Step 4: Simplify right side
    2,694,681.75x = 7,139,748,725,095.19
  5. Step 5: Solve for x
    x = 7,139,748,725,095.19/2,694,681.75
  6. Step 6: Final answer
    x = 2,649,570.30

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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.