Finding the Fourth Proportional to 5,625,641.09, 7,763,421.96 and 3,047,321.84
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Solution
The fourth proportional to 5,625,641.09, 7,763,421.96 and 3,047,321.84 is: 4,205,324.32
Step by Step Solution
- Step 1: Write the proportion equation
5,625,641.09 : 7,763,421.96 = 3,047,321.84 : x - Step 2: Convert to fraction form
5,625,641.09/7,763,421.96 = 3,047,321.84/x - Step 3: Cross multiply
5,625,641.09x = 7,763,421.96 × 3,047,321.84 - Step 4: Simplify right side
5,625,641.09x = 23,657,645,253,026.50 - Step 5: Solve for x
x = 23,657,645,253,026.50/5,625,641.09 - Step 6: Final answer
x = 4,205,324.32
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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.