Finding the Fourth Proportional to 4,031,997.03, 5,564,153.45 and 2,221,161.03
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Solution
The fourth proportional to 4,031,997.03, 5,564,153.45 and 2,221,161.03 is: 3,065,200.87
Step by Step Solution
- Step 1: Write the proportion equation
4,031,997.03 : 5,564,153.45 = 2,221,161.03 : x - Step 2: Convert to fraction form
4,031,997.03/5,564,153.45 = 2,221,161.03/x - Step 3: Cross multiply
4,031,997.03x = 5,564,153.45 × 2,221,161.03 - Step 4: Simplify right side
4,031,997.03x = 12,358,880,808,080.05 - Step 5: Solve for x
x = 12,358,880,808,080.05/4,031,997.03 - Step 6: Final answer
x = 3,065,200.87
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1.5x scale
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.