Home / 1,533,665.47-2,116,466.75-889,467.61

Finding the Fourth Proportional to 1,533,665.47, 2,116,466.75 and 889,467.61

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Solution

The fourth proportional to 1,533,665.47, 2,116,466.75 and 889,467.61 is: 1,227,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,665.47 : 2,116,466.75 = 889,467.61 : x
  2. Step 2: Convert to fraction form
    1,533,665.47/2,116,466.75 = 889,467.61/x
  3. Step 3: Cross multiply
    1,533,665.47x = 2,116,466.75 × 889,467.61
  4. Step 4: Simplify right side
    1,533,665.47x = 1,882,528,617,319.63
  5. Step 5: Solve for x
    x = 1,882,528,617,319.63/1,533,665.47
  6. Step 6: Final answer
    x = 1,227,470.17

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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.