Finding the Fourth Proportional to 5,591,356.31, 8,374,740.62 and 4,620,812.15
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Solution
The fourth proportional to 5,591,356.31, 8,374,740.62 and 4,620,812.15 is: 6,921,058.34
Step by Step Solution
- Step 1: Write the proportion equation
5,591,356.31 : 8,374,740.62 = 4,620,812.15 : x - Step 2: Convert to fraction form
5,591,356.31/8,374,740.62 = 4,620,812.15/x - Step 3: Cross multiply
5,591,356.31x = 8,374,740.62 × 4,620,812.15 - Step 4: Simplify right side
5,591,356.31x = 38,698,103,209,994.54 - Step 5: Solve for x
x = 38,698,103,209,994.54/5,591,356.31 - Step 6: Final answer
x = 6,921,058.34
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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.