Home / 1,616,669.04-2,231,019.54-891,545.70

Finding the Fourth Proportional to 1,616,669.04, 2,231,019.54 and 891,545.70

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Solution

The fourth proportional to 1,616,669.04, 2,231,019.54 and 891,545.70 is: 1,230,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,669.04 : 2,231,019.54 = 891,545.70 : x
  2. Step 2: Convert to fraction form
    1,616,669.04/2,231,019.54 = 891,545.70/x
  3. Step 3: Cross multiply
    1,616,669.04x = 2,231,019.54 × 891,545.70
  4. Step 4: Simplify right side
    1,616,669.04x = 1,989,055,877,502.98
  5. Step 5: Solve for x
    x = 1,989,055,877,502.98/1,616,669.04
  6. Step 6: Final answer
    x = 1,230,342.04

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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.