Home / 7,077,231.09-10,615,828.77-1,959,643.89

Finding the Fourth Proportional to 7,077,231.09, 10,615,828.77 and 1,959,643.89

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Solution

The fourth proportional to 7,077,231.09, 10,615,828.77 and 1,959,643.89 is: 2,939,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077,231.09 : 10,615,828.77 = 1,959,643.89 : x
  2. Step 2: Convert to fraction form
    7,077,231.09/10,615,828.77 = 1,959,643.89/x
  3. Step 3: Cross multiply
    7,077,231.09x = 10,615,828.77 × 1,959,643.89
  4. Step 4: Simplify right side
    7,077,231.09x = 20,803,243,986,416.71
  5. Step 5: Solve for x
    x = 20,803,243,986,416.71/7,077,231.09
  6. Step 6: Final answer
    x = 2,939,460.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.