Finding the Fourth Proportional to 1,118,197.68, 1,543,177.72 and 842,061.18
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Solution
The fourth proportional to 1,118,197.68, 1,543,177.72 and 842,061.18 is: 1,162,093.32
Step by Step Solution
- Step 1: Write the proportion equation
1,118,197.68 : 1,543,177.72 = 842,061.18 : x - Step 2: Convert to fraction form
1,118,197.68/1,543,177.72 = 842,061.18/x - Step 3: Cross multiply
1,118,197.68x = 1,543,177.72 × 842,061.18 - Step 4: Simplify right side
1,118,197.68x = 1,299,450,051,852.91 - Step 5: Solve for x
x = 1,299,450,051,852.91/1,118,197.68 - Step 6: Final answer
x = 1,162,093.32
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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.