Finding the Fourth Proportional to 5,646,782.61, 8,468,901.81 and 1,603,187.28
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Solution
The fourth proportional to 5,646,782.61, 8,468,901.81 and 1,603,187.28 is: 2,404,419.75
Step by Step Solution
- Step 1: Write the proportion equation
5,646,782.61 : 8,468,901.81 = 1,603,187.28 : x - Step 2: Convert to fraction form
5,646,782.61/8,468,901.81 = 1,603,187.28/x - Step 3: Cross multiply
5,646,782.61x = 8,468,901.81 × 1,603,187.28 - Step 4: Simplify right side
5,646,782.61x = 13,577,235,657,360.98 - Step 5: Solve for x
x = 13,577,235,657,360.98/5,646,782.61 - Step 6: Final answer
x = 2,404,419.75
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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.