Finding the Fourth Proportional to 3,591,038.20, 5,386,557.30 and 1,462,649.80
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Solution
The fourth proportional to 3,591,038.20, 5,386,557.30 and 1,462,649.80 is: 2,193,974.70
Step by Step Solution
- Step 1: Write the proportion equation
3,591,038.20 : 5,386,557.30 = 1,462,649.80 : x - Step 2: Convert to fraction form
3,591,038.20/5,386,557.30 = 1,462,649.80/x - Step 3: Cross multiply
3,591,038.20x = 5,386,557.30 × 1,462,649.80 - Step 4: Simplify right side
3,591,038.20x = 7,878,646,957,533.54 - Step 5: Solve for x
x = 7,878,646,957,533.54/3,591,038.20 - Step 6: Final answer
x = 2,193,974.70
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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.