Finding the Fourth Proportional to 1,552,572.87, 2,142,528.62 and 873,507.75
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Solution
The fourth proportional to 1,552,572.87, 2,142,528.62 and 873,507.75 is: 1,205,428.35
Step by Step Solution
- Step 1: Write the proportion equation
1,552,572.87 : 2,142,528.62 = 873,507.75 : x - Step 2: Convert to fraction form
1,552,572.87/2,142,528.62 = 873,507.75/x - Step 3: Cross multiply
1,552,572.87x = 2,142,528.62 × 873,507.75 - Step 4: Simplify right side
1,552,572.87x = 1,871,515,349,799.27 - Step 5: Solve for x
x = 1,871,515,349,799.27/1,552,572.87 - Step 6: Final answer
x = 1,205,428.35
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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.