Finding the Fourth Proportional to 5,252,365.68, 7,875,593.64 and 1,657,462.80
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Solution
The fourth proportional to 5,252,365.68, 7,875,593.64 and 1,657,462.80 is: 2,485,261.74
Step by Step Solution
- Step 1: Write the proportion equation
5,252,365.68 : 7,875,593.64 = 1,657,462.80 : x - Step 2: Convert to fraction form
5,252,365.68/7,875,593.64 = 1,657,462.80/x - Step 3: Cross multiply
5,252,365.68x = 7,875,593.64 × 1,657,462.80 - Step 4: Simplify right side
5,252,365.68x = 13,053,503,486,216.59 - Step 5: Solve for x
x = 13,053,503,486,216.59/5,252,365.68 - Step 6: Final answer
x = 2,485,261.74
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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.