Finding the Fourth Proportional to 1,863,982.48, 2,569,194.84 and 1,319,419.48
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Solution
The fourth proportional to 1,863,982.48, 2,569,194.84 and 1,319,419.48 is: 1,818,603.85
Step by Step Solution
- Step 1: Write the proportion equation
1,863,982.48 : 2,569,194.84 = 1,319,419.48 : x - Step 2: Convert to fraction form
1,863,982.48/2,569,194.84 = 1,319,419.48/x - Step 3: Cross multiply
1,863,982.48x = 2,569,194.84 × 1,319,419.48 - Step 4: Simplify right side
1,863,982.48x = 3,389,845,719,811.48 - Step 5: Solve for x
x = 3,389,845,719,811.48/1,863,982.48 - Step 6: Final answer
x = 1,818,603.85
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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.