Finding the Fourth Proportional to 7,180,628.48, 10,763,381.64 and 2,387,031.20
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Solution
The fourth proportional to 7,180,628.48, 10,763,381.64 and 2,387,031.20 is: 3,578,033.30
Step by Step Solution
- Step 1: Write the proportion equation
7,180,628.48 : 10,763,381.64 = 2,387,031.20 : x - Step 2: Convert to fraction form
7,180,628.48/10,763,381.64 = 2,387,031.20/x - Step 3: Cross multiply
7,180,628.48x = 10,763,381.64 × 2,387,031.20 - Step 4: Simplify right side
7,180,628.48x = 25,692,527,792,187.17 - Step 5: Solve for x
x = 25,692,527,792,187.17/7,180,628.48 - Step 6: Final answer
x = 3,578,033.30
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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.