Finding the Fourth Proportional to 5,486,671.49, 8,196,636.49 and 3,551,820.28
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Solution
The fourth proportional to 5,486,671.49, 8,196,636.49 and 3,551,820.28 is: 5,306,127.74
Step by Step Solution
- Step 1: Write the proportion equation
5,486,671.49 : 8,196,636.49 = 3,551,820.28 : x - Step 2: Convert to fraction form
5,486,671.49/8,196,636.49 = 3,551,820.28/x - Step 3: Cross multiply
5,486,671.49x = 8,196,636.49 × 3,551,820.28 - Step 4: Simplify right side
5,486,671.49x = 29,112,979,749,683.95 - Step 5: Solve for x
x = 29,112,979,749,683.95/5,486,671.49 - Step 6: Final answer
x = 5,306,127.74
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.