Finding the Fourth Proportional to 1,678,670.96, 2,316,535.80 and 914,730.80
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Solution
The fourth proportional to 1,678,670.96, 2,316,535.80 and 914,730.80 is: 1,262,312.09
Step by Step Solution
- Step 1: Write the proportion equation
1,678,670.96 : 2,316,535.80 = 914,730.80 : x - Step 2: Convert to fraction form
1,678,670.96/2,316,535.80 = 914,730.80/x - Step 3: Cross multiply
1,678,670.96x = 2,316,535.80 × 914,730.80 - Step 4: Simplify right side
1,678,670.96x = 2,119,006,645,562.64 - Step 5: Solve for x
x = 2,119,006,645,562.64/1,678,670.96 - Step 6: Final answer
x = 1,262,312.09
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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.