Home / 2,154,573.47-2,973,332.09-1,187,738.36

Finding the Fourth Proportional to 2,154,573.47, 2,973,332.09 and 1,187,738.36

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Solution

The fourth proportional to 2,154,573.47, 2,973,332.09 and 1,187,738.36 is: 1,639,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,573.47 : 2,973,332.09 = 1,187,738.36 : x
  2. Step 2: Convert to fraction form
    2,154,573.47/2,973,332.09 = 1,187,738.36/x
  3. Step 3: Cross multiply
    2,154,573.47x = 2,973,332.09 × 1,187,738.36
  4. Step 4: Simplify right side
    2,154,573.47x = 3,531,540,590,714.65
  5. Step 5: Solve for x
    x = 3,531,540,590,714.65/2,154,573.47
  6. Step 6: Final answer
    x = 1,639,090.35

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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.