Finding the Fourth Proportional to 2,947,118.99, 4,420,678.48 and 1,053,745.61
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Solution
The fourth proportional to 2,947,118.99, 4,420,678.48 and 1,053,745.61 is: 1,580,618.41
Step by Step Solution
- Step 1: Write the proportion equation
2,947,118.99 : 4,420,678.48 = 1,053,745.61 : x - Step 2: Convert to fraction form
2,947,118.99/4,420,678.48 = 1,053,745.61/x - Step 3: Cross multiply
2,947,118.99x = 4,420,678.48 × 1,053,745.61 - Step 4: Simplify right side
2,947,118.99x = 4,658,270,516,783.72 - Step 5: Solve for x
x = 4,658,270,516,783.72/2,947,118.99 - Step 6: Final answer
x = 1,580,618.41
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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.