Home / 6,421,588.16-9,633,802.08-2,161,616

Finding the Fourth Proportional to 6,421,588.16, 9,633,802.08 and 2,161,616

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Solution

The fourth proportional to 6,421,588.16, 9,633,802.08 and 2,161,616 is: 3,242,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,588.16 : 9,633,802.08 = 2,161,616 : x
  2. Step 2: Convert to fraction form
    6,421,588.16/9,633,802.08 = 2,161,616/x
  3. Step 3: Cross multiply
    6,421,588.16x = 9,633,802.08 × 2,161,616
  4. Step 4: Simplify right side
    6,421,588.16x = 20,824,580,716,961.28
  5. Step 5: Solve for x
    x = 20,824,580,716,961.28/6,421,588.16
  6. Step 6: Final answer
    x = 3,242,901.94

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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.