Finding the Fourth Proportional to 1,653,543.19, 2,479,053.21 and 754,356.09
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Solution
The fourth proportional to 1,653,543.19, 2,479,053.21 and 754,356.09 is: 1,130,958.60
Step by Step Solution
- Step 1: Write the proportion equation
1,653,543.19 : 2,479,053.21 = 754,356.09 : x - Step 2: Convert to fraction form
1,653,543.19/2,479,053.21 = 754,356.09/x - Step 3: Cross multiply
1,653,543.19x = 2,479,053.21 × 754,356.09 - Step 4: Simplify right side
1,653,543.19x = 1,870,088,886,397.55 - Step 5: Solve for x
x = 1,870,088,886,397.55/1,653,543.19 - Step 6: Final answer
x = 1,130,958.60
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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.