Finding the Fourth Proportional to 4,552,378.02, 6,829,026.66 and 1,478,240.28
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Solution
The fourth proportional to 4,552,378.02, 6,829,026.66 and 1,478,240.28 is: 2,217,509.67
Step by Step Solution
- Step 1: Write the proportion equation
4,552,378.02 : 6,829,026.66 = 1,478,240.28 : x - Step 2: Convert to fraction form
4,552,378.02/6,829,026.66 = 1,478,240.28/x - Step 3: Cross multiply
4,552,378.02x = 6,829,026.66 × 1,478,240.28 - Step 4: Simplify right side
4,552,378.02x = 10,094,942,282,005.87 - Step 5: Solve for x
x = 10,094,942,282,005.87/4,552,378.02 - Step 6: Final answer
x = 2,217,509.67
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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.