Finding the Fourth Proportional to 5,055,070.75, 7,582,606.13 and 1,689,277.75
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Solution
The fourth proportional to 5,055,070.75, 7,582,606.13 and 1,689,277.75 is: 2,533,916.63
Step by Step Solution
- Step 1: Write the proportion equation
5,055,070.75 : 7,582,606.13 = 1,689,277.75 : x - Step 2: Convert to fraction form
5,055,070.75/7,582,606.13 = 1,689,277.75/x - Step 3: Cross multiply
5,055,070.75x = 7,582,606.13 × 1,689,277.75 - Step 4: Simplify right side
5,055,070.75x = 12,809,127,813,976.22 - Step 5: Solve for x
x = 12,809,127,813,976.22/5,055,070.75 - Step 6: Final answer
x = 2,533,916.63
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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.