Finding the Fourth Proportional to 2,202,318.57, 3,038,518.53 and 1,283,897.61
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Solution
The fourth proportional to 2,202,318.57, 3,038,518.53 and 1,283,897.61 is: 1,771,381.65
Step by Step Solution
- Step 1: Write the proportion equation
2,202,318.57 : 3,038,518.53 = 1,283,897.61 : x - Step 2: Convert to fraction form
2,202,318.57/3,038,518.53 = 1,283,897.61/x - Step 3: Cross multiply
2,202,318.57x = 3,038,518.53 × 1,283,897.61 - Step 4: Simplify right side
2,202,318.57x = 3,901,146,692,863.62 - Step 5: Solve for x
x = 3,901,146,692,863.62/2,202,318.57 - Step 6: Final answer
x = 1,771,381.65
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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.