Finding the Fourth Proportional to 5,145,727.20, 7,101,539.64 and 2,854,626
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Solution
The fourth proportional to 5,145,727.20, 7,101,539.64 and 2,854,626 is: 3,939,625.81
Step by Step Solution
- Step 1: Write the proportion equation
5,145,727.20 : 7,101,539.64 = 2,854,626 : x - Step 2: Convert to fraction form
5,145,727.20/7,101,539.64 = 2,854,626/x - Step 3: Cross multiply
5,145,727.20x = 7,101,539.64 × 2,854,626 - Step 4: Simplify right side
5,145,727.20x = 20,272,239,696,374.64 - Step 5: Solve for x
x = 20,272,239,696,374.64/5,145,727.20 - Step 6: Final answer
x = 3,939,625.81
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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.