Finding the Fourth Proportional to 2,657,572.03, 3,986,991.62 and 860,456.05
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Solution
The fourth proportional to 2,657,572.03, 3,986,991.62 and 860,456.05 is: 1,290,889.21
Step by Step Solution
- Step 1: Write the proportion equation
2,657,572.03 : 3,986,991.62 = 860,456.05 : x - Step 2: Convert to fraction form
2,657,572.03/3,986,991.62 = 860,456.05/x - Step 3: Cross multiply
2,657,572.03x = 3,986,991.62 × 860,456.05 - Step 4: Simplify right side
2,657,572.03x = 3,430,631,049,685.25 - Step 5: Solve for x
x = 3,430,631,049,685.25/2,657,572.03 - Step 6: Final answer
x = 1,290,889.21
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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.