Finding the Fourth Proportional to 1,369,331.99, 1,889,041.46 and 886,053.18
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Solution
The fourth proportional to 1,369,331.99, 1,889,041.46 and 886,053.18 is: 1,222,341.41
Step by Step Solution
- Step 1: Write the proportion equation
1,369,331.99 : 1,889,041.46 = 886,053.18 : x - Step 2: Convert to fraction form
1,369,331.99/1,889,041.46 = 886,053.18/x - Step 3: Cross multiply
1,369,331.99x = 1,889,041.46 × 886,053.18 - Step 4: Simplify right side
1,369,331.99x = 1,673,791,188,354.58 - Step 5: Solve for x
x = 1,673,791,188,354.58/1,369,331.99 - Step 6: Final answer
x = 1,222,341.41
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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.