Finding the Fourth Proportional to 1,643,352.47, 2,476,245.78 and 1,350,395.62
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Solution
The fourth proportional to 1,643,352.47, 2,476,245.78 and 1,350,395.62 is: 2,034,810.86
Step by Step Solution
- Step 1: Write the proportion equation
1,643,352.47 : 2,476,245.78 = 1,350,395.62 : x - Step 2: Convert to fraction form
1,643,352.47/2,476,245.78 = 1,350,395.62/x - Step 3: Cross multiply
1,643,352.47x = 2,476,245.78 × 1,350,395.62 - Step 4: Simplify right side
1,643,352.47x = 3,343,911,455,355.48 - Step 5: Solve for x
x = 3,343,911,455,355.48/1,643,352.47 - Step 6: Final answer
x = 2,034,810.86
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.