Home / 1,575,415.22-2,169,498.47-1,368,589.41

Finding the Fourth Proportional to 1,575,415.22, 2,169,498.47 and 1,368,589.41

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Solution

The fourth proportional to 1,575,415.22, 2,169,498.47 and 1,368,589.41 is: 1,884,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,415.22 : 2,169,498.47 = 1,368,589.41 : x
  2. Step 2: Convert to fraction form
    1,575,415.22/2,169,498.47 = 1,368,589.41/x
  3. Step 3: Cross multiply
    1,575,415.22x = 2,169,498.47 × 1,368,589.41
  4. Step 4: Simplify right side
    1,575,415.22x = 2,969,152,624,210.26
  5. Step 5: Solve for x
    x = 2,969,152,624,210.26/1,575,415.22
  6. Step 6: Final answer
    x = 1,884,679.41

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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.