Finding the Fourth Proportional to 4,257,966.80, 6,384,617.40 and 1,416,616.40
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Solution
The fourth proportional to 4,257,966.80, 6,384,617.40 and 1,416,616.40 is: 2,124,148.48
Step by Step Solution
- Step 1: Write the proportion equation
4,257,966.80 : 6,384,617.40 = 1,416,616.40 : x - Step 2: Convert to fraction form
4,257,966.80/6,384,617.40 = 1,416,616.40/x - Step 3: Cross multiply
4,257,966.80x = 6,384,617.40 × 1,416,616.40 - Step 4: Simplify right side
4,257,966.80x = 9,044,553,716,565.36 - Step 5: Solve for x
x = 9,044,553,716,565.36/4,257,966.80 - Step 6: Final answer
x = 2,124,148.48
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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.