Finding the Fourth Proportional to 1,407,814.68, 2,111,680.68 and 342,841.26
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Solution
The fourth proportional to 1,407,814.68, 2,111,680.68 and 342,841.26 is: 514,251.82
Step by Step Solution
- Step 1: Write the proportion equation
1,407,814.68 : 2,111,680.68 = 342,841.26 : x - Step 2: Convert to fraction form
1,407,814.68/2,111,680.68 = 342,841.26/x - Step 3: Cross multiply
1,407,814.68x = 2,111,680.68 × 342,841.26 - Step 4: Simplify right side
1,407,814.68x = 723,971,265,048.86 - Step 5: Solve for x
x = 723,971,265,048.86/1,407,814.68 - Step 6: Final answer
x = 514,251.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.