Home / 2,130,880.71-3,196,485.09-710,934.51

Finding the Fourth Proportional to 2,130,880.71, 3,196,485.09 and 710,934.51

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Solution

The fourth proportional to 2,130,880.71, 3,196,485.09 and 710,934.51 is: 1,066,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,880.71 : 3,196,485.09 = 710,934.51 : x
  2. Step 2: Convert to fraction form
    2,130,880.71/3,196,485.09 = 710,934.51/x
  3. Step 3: Cross multiply
    2,130,880.71x = 3,196,485.09 × 710,934.51
  4. Step 4: Simplify right side
    2,130,880.71x = 2,272,491,561,181.46
  5. Step 5: Solve for x
    x = 2,272,491,561,181.46/2,130,880.71
  6. Step 6: Final answer
    x = 1,066,456.49

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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.