Finding the Fourth Proportional to 5,577,356.80, 8,365,862.40 and 1,588,268.80
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Solution
The fourth proportional to 5,577,356.80, 8,365,862.40 and 1,588,268.80 is: 2,382,353.99
Step by Step Solution
- Step 1: Write the proportion equation
5,577,356.80 : 8,365,862.40 = 1,588,268.80 : x - Step 2: Convert to fraction form
5,577,356.80/8,365,862.40 = 1,588,268.80/x - Step 3: Cross multiply
5,577,356.80x = 8,365,862.40 × 1,588,268.80 - Step 4: Simplify right side
5,577,356.80x = 13,287,238,235,013.12 - Step 5: Solve for x
x = 13,287,238,235,013.12/5,577,356.80 - Step 6: Final answer
x = 2,382,353.99
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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.