Finding the Fourth Proportional to 1,678,508.56, 2,316,276.80 and 914,567.84
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Solution
The fourth proportional to 1,678,508.56, 2,316,276.80 and 914,567.84 is: 1,262,068.20
Step by Step Solution
- Step 1: Write the proportion equation
1,678,508.56 : 2,316,276.80 = 914,567.84 : x - Step 2: Convert to fraction form
1,678,508.56/2,316,276.80 = 914,567.84/x - Step 3: Cross multiply
1,678,508.56x = 2,316,276.80 × 914,567.84 - Step 4: Simplify right side
1,678,508.56x = 2,118,392,269,818.11 - Step 5: Solve for x
x = 2,118,392,269,818.11/1,678,508.56 - Step 6: Final answer
x = 1,262,068.20
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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.