Finding the Fourth Proportional to 7,049,778.84, 10,572,951.47 and 2,948,883.17
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Solution
The fourth proportional to 7,049,778.84, 10,572,951.47 and 2,948,883.17 is: 4,422,606.62
Step by Step Solution
- Step 1: Write the proportion equation
7,049,778.84 : 10,572,951.47 = 2,948,883.17 : x - Step 2: Convert to fraction form
7,049,778.84/10,572,951.47 = 2,948,883.17/x - Step 3: Cross multiply
7,049,778.84x = 10,572,951.47 × 2,948,883.17 - Step 4: Simplify right side
7,049,778.84x = 31,178,398,579,500.59 - Step 5: Solve for x
x = 31,178,398,579,500.59/7,049,778.84 - Step 6: Final answer
x = 4,422,606.62
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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.