Finding the Fourth Proportional to 7,387,655.80, 11,081,483.70 and 2,593,751.80
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Solution
The fourth proportional to 7,387,655.80, 11,081,483.70 and 2,593,751.80 is: 3,890,627.70
Step by Step Solution
- Step 1: Write the proportion equation
7,387,655.80 : 11,081,483.70 = 2,593,751.80 : x - Step 2: Convert to fraction form
7,387,655.80/11,081,483.70 = 2,593,751.80/x - Step 3: Cross multiply
7,387,655.80x = 11,081,483.70 × 2,593,751.80 - Step 4: Simplify right side
7,387,655.80x = 28,742,618,293,545.66 - Step 5: Solve for x
x = 28,742,618,293,545.66/7,387,655.80 - Step 6: Final answer
x = 3,890,627.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.