Finding the Fourth Proportional to 2,486,417.62, 3,431,799.65 and 1,580,822.74
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Solution
The fourth proportional to 2,486,417.62, 3,431,799.65 and 1,580,822.74 is: 2,181,880.82
Step by Step Solution
- Step 1: Write the proportion equation
2,486,417.62 : 3,431,799.65 = 1,580,822.74 : x - Step 2: Convert to fraction form
2,486,417.62/3,431,799.65 = 1,580,822.74/x - Step 3: Cross multiply
2,486,417.62x = 3,431,799.65 × 1,580,822.74 - Step 4: Simplify right side
2,486,417.62x = 5,425,066,925,844.04 - Step 5: Solve for x
x = 5,425,066,925,844.04/2,486,417.62 - Step 6: Final answer
x = 2,181,880.82
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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.