Home / 2,918,070.07-4,026,405.80-2,049,558.51

Finding the Fourth Proportional to 2,918,070.07, 4,026,405.80 and 2,049,558.51

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Solution

The fourth proportional to 2,918,070.07, 4,026,405.80 and 2,049,558.51 is: 2,828,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,070.07 : 4,026,405.80 = 2,049,558.51 : x
  2. Step 2: Convert to fraction form
    2,918,070.07/4,026,405.80 = 2,049,558.51/x
  3. Step 3: Cross multiply
    2,918,070.07x = 4,026,405.80 × 2,049,558.51
  4. Step 4: Simplify right side
    2,918,070.07x = 8,252,354,272,103.36
  5. Step 5: Solve for x
    x = 8,252,354,272,103.36/2,918,070.07
  6. Step 6: Final answer
    x = 2,828,017.86

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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.