Home / 2,154,657.09-2,972,875.73-1,369,436.61

Finding the Fourth Proportional to 2,154,657.09, 2,972,875.73 and 1,369,436.61

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Solution

The fourth proportional to 2,154,657.09, 2,972,875.73 and 1,369,436.61 is: 1,889,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,657.09 : 2,972,875.73 = 1,369,436.61 : x
  2. Step 2: Convert to fraction form
    2,154,657.09/2,972,875.73 = 1,369,436.61/x
  3. Step 3: Cross multiply
    2,154,657.09x = 2,972,875.73 × 1,369,436.61
  4. Step 4: Simplify right side
    2,154,657.09x = 4,071,164,854,795.29
  5. Step 5: Solve for x
    x = 4,071,164,854,795.29/2,154,657.09
  6. Step 6: Final answer
    x = 1,889,472.28

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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.