Home / 1,664,913.43-2,490,154.54-980,168.52

Finding the Fourth Proportional to 1,664,913.43, 2,490,154.54 and 980,168.52

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Solution

The fourth proportional to 1,664,913.43, 2,490,154.54 and 980,168.52 is: 1,466,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,913.43 : 2,490,154.54 = 980,168.52 : x
  2. Step 2: Convert to fraction form
    1,664,913.43/2,490,154.54 = 980,168.52/x
  3. Step 3: Cross multiply
    1,664,913.43x = 2,490,154.54 × 980,168.52
  4. Step 4: Simplify right side
    1,664,913.43x = 2,440,771,090,043.08
  5. Step 5: Solve for x
    x = 2,440,771,090,043.08/1,664,913.43
  6. Step 6: Final answer
    x = 1,466,004.81

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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.