Finding the Fourth Proportional to 6,462,701.49, 8,918,478.77 and 3,562,097.97
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Solution
The fourth proportional to 6,462,701.49, 8,918,478.77 and 3,562,097.97 is: 4,915,668.03
Step by Step Solution
- Step 1: Write the proportion equation
6,462,701.49 : 8,918,478.77 = 3,562,097.97 : x - Step 2: Convert to fraction form
6,462,701.49/8,918,478.77 = 3,562,097.97/x - Step 3: Cross multiply
6,462,701.49x = 8,918,478.77 × 3,562,097.97 - Step 4: Simplify right side
6,462,701.49x = 31,768,495,104,294.61 - Step 5: Solve for x
x = 31,768,495,104,294.61/6,462,701.49 - Step 6: Final answer
x = 4,915,668.03
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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.