Finding the Fourth Proportional to 6,423,265.10, 8,863,286.47 and 3,670,130.79
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Solution
The fourth proportional to 6,423,265.10, 8,863,286.47 and 3,670,130.79 is: 5,064,312.32
Step by Step Solution
- Step 1: Write the proportion equation
6,423,265.10 : 8,863,286.47 = 3,670,130.79 : x - Step 2: Convert to fraction form
6,423,265.10/8,863,286.47 = 3,670,130.79/x - Step 3: Cross multiply
6,423,265.10x = 8,863,286.47 × 3,670,130.79 - Step 4: Simplify right side
6,423,265.10x = 32,529,420,574,137.41 - Step 5: Solve for x
x = 32,529,420,574,137.41/6,423,265.10 - Step 6: Final answer
x = 5,064,312.32
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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.