Finding the Fourth Proportional to 4,712,790.30, 6,503,656.73 and 2,675,599.80
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Solution
The fourth proportional to 4,712,790.30, 6,503,656.73 and 2,675,599.80 is: 3,692,331.19
Step by Step Solution
- Step 1: Write the proportion equation
4,712,790.30 : 6,503,656.73 = 2,675,599.80 : x - Step 2: Convert to fraction form
4,712,790.30/6,503,656.73 = 2,675,599.80/x - Step 3: Cross multiply
4,712,790.30x = 6,503,656.73 × 2,675,599.80 - Step 4: Simplify right side
4,712,790.30x = 17,401,182,632,678.65 - Step 5: Solve for x
x = 17,401,182,632,678.65/4,712,790.30 - Step 6: Final answer
x = 3,692,331.19
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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.