Finding the Fourth Proportional to 1,678,863.86, 2,316,764.58 and 914,901.02
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Solution
The fourth proportional to 1,678,863.86, 2,316,764.58 and 914,901.02 is: 1,262,526.60
Step by Step Solution
- Step 1: Write the proportion equation
1,678,863.86 : 2,316,764.58 = 914,901.02 : x - Step 2: Convert to fraction form
1,678,863.86/2,316,764.58 = 914,901.02/x - Step 3: Cross multiply
1,678,863.86x = 2,316,764.58 × 914,901.02 - Step 4: Simplify right side
1,678,863.86x = 2,119,610,277,341.87 - Step 5: Solve for x
x = 2,119,610,277,341.87/1,678,863.86 - Step 6: Final answer
x = 1,262,526.60
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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.