Finding the Fourth Proportional to 5,101,852.02, 7,040,562.99 and 2,778,753.66
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Solution
The fourth proportional to 5,101,852.02, 7,040,562.99 and 2,778,753.66 is: 3,834,683.97
Step by Step Solution
- Step 1: Write the proportion equation
5,101,852.02 : 7,040,562.99 = 2,778,753.66 : x - Step 2: Convert to fraction form
5,101,852.02/7,040,562.99 = 2,778,753.66/x - Step 3: Cross multiply
5,101,852.02x = 7,040,562.99 × 2,778,753.66 - Step 4: Simplify right side
5,101,852.02x = 19,563,990,176,923.05 - Step 5: Solve for x
x = 19,563,990,176,923.05/5,101,852.02 - Step 6: Final answer
x = 3,834,683.97
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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.