Finding the Fourth Proportional to 5,352,421.55, 7,386,231.67 and 3,029,272.50
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Solution
The fourth proportional to 5,352,421.55, 7,386,231.67 and 3,029,272.50 is: 4,180,333.76
Step by Step Solution
- Step 1: Write the proportion equation
5,352,421.55 : 7,386,231.67 = 3,029,272.50 : x - Step 2: Convert to fraction form
5,352,421.55/7,386,231.67 = 3,029,272.50/x - Step 3: Cross multiply
5,352,421.55x = 7,386,231.67 × 3,029,272.50 - Step 4: Simplify right side
5,352,421.55x = 22,374,908,476,560.07 - Step 5: Solve for x
x = 22,374,908,476,560.07/5,352,421.55 - Step 6: Final answer
x = 4,180,333.76
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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.