Finding the Fourth Proportional to 1,462,214.96, 2,017,845.24 and 817,636.40
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Solution
The fourth proportional to 1,462,214.96, 2,017,845.24 and 817,636.40 is: 1,128,331.85
Step by Step Solution
- Step 1: Write the proportion equation
1,462,214.96 : 2,017,845.24 = 817,636.40 : x - Step 2: Convert to fraction form
1,462,214.96/2,017,845.24 = 817,636.40/x - Step 3: Cross multiply
1,462,214.96x = 2,017,845.24 × 817,636.40 - Step 4: Simplify right side
1,462,214.96x = 1,649,863,717,790.74 - Step 5: Solve for x
x = 1,649,863,717,790.74/1,462,214.96 - Step 6: Final answer
x = 1,128,331.85
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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.