Home / 1,615,666.06-2,229,606.84-890,515.18

Finding the Fourth Proportional to 1,615,666.06, 2,229,606.84 and 890,515.18

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Solution

The fourth proportional to 1,615,666.06, 2,229,606.84 and 890,515.18 is: 1,228,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,666.06 : 2,229,606.84 = 890,515.18 : x
  2. Step 2: Convert to fraction form
    1,615,666.06/2,229,606.84 = 890,515.18/x
  3. Step 3: Cross multiply
    1,615,666.06x = 2,229,606.84 × 890,515.18
  4. Step 4: Simplify right side
    1,615,666.06x = 1,985,498,736,451.83
  5. Step 5: Solve for x
    x = 1,985,498,736,451.83/1,615,666.06
  6. Step 6: Final answer
    x = 1,228,904.16

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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.