Home / 2,987,453.07-4,122,666.45-1,698,293.79

Finding the Fourth Proportional to 2,987,453.07, 4,122,666.45 and 1,698,293.79

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Solution

The fourth proportional to 2,987,453.07, 4,122,666.45 and 1,698,293.79 is: 2,343,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,453.07 : 4,122,666.45 = 1,698,293.79 : x
  2. Step 2: Convert to fraction form
    2,987,453.07/4,122,666.45 = 1,698,293.79/x
  3. Step 3: Cross multiply
    2,987,453.07x = 4,122,666.45 × 1,698,293.79
  4. Step 4: Simplify right side
    2,987,453.07x = 7,001,498,830,276.35
  5. Step 5: Solve for x
    x = 7,001,498,830,276.35/2,987,453.07
  6. Step 6: Final answer
    x = 2,343,634.75

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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.