Finding the Fourth Proportional to 1,481,146.60, 2,221,719.90 and 977,261.80
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Solution
The fourth proportional to 1,481,146.60, 2,221,719.90 and 977,261.80 is: 1,465,892.70
Step by Step Solution
- Step 1: Write the proportion equation
1,481,146.60 : 2,221,719.90 = 977,261.80 : x - Step 2: Convert to fraction form
1,481,146.60/2,221,719.90 = 977,261.80/x - Step 3: Cross multiply
1,481,146.60x = 2,221,719.90 × 977,261.80 - Step 4: Simplify right side
1,481,146.60x = 2,171,201,988,569.82 - Step 5: Solve for x
x = 2,171,201,988,569.82/1,481,146.60 - Step 6: Final answer
x = 1,465,892.70
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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.