Home / 1,975,889.16-2,963,169.54-777,497.40

Finding the Fourth Proportional to 1,975,889.16, 2,963,169.54 and 777,497.40

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Solution

The fourth proportional to 1,975,889.16, 2,963,169.54 and 777,497.40 is: 1,165,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,889.16 : 2,963,169.54 = 777,497.40 : x
  2. Step 2: Convert to fraction form
    1,975,889.16/2,963,169.54 = 777,497.40/x
  3. Step 3: Cross multiply
    1,975,889.16x = 2,963,169.54 × 777,497.40
  4. Step 4: Simplify right side
    1,975,889.16x = 2,303,856,613,109.20
  5. Step 5: Solve for x
    x = 2,303,856,613,109.20/1,975,889.16
  6. Step 6: Final answer
    x = 1,165,984.74

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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.