Home / 1,668,077.90-2,301,922.56-942,900.20

Finding the Fourth Proportional to 1,668,077.90, 2,301,922.56 and 942,900.20

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Solution

The fourth proportional to 1,668,077.90, 2,301,922.56 and 942,900.20 is: 1,301,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,077.90 : 2,301,922.56 = 942,900.20 : x
  2. Step 2: Convert to fraction form
    1,668,077.90/2,301,922.56 = 942,900.20/x
  3. Step 3: Cross multiply
    1,668,077.90x = 2,301,922.56 × 942,900.20
  4. Step 4: Simplify right side
    1,668,077.90x = 2,170,483,242,208.51
  5. Step 5: Solve for x
    x = 2,170,483,242,208.51/1,668,077.90
  6. Step 6: Final answer
    x = 1,301,188.18

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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.