Finding the Fourth Proportional to 2,756,767.61, 4,135,410.71 and 811,497.47
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Solution
The fourth proportional to 2,756,767.61, 4,135,410.71 and 811,497.47 is: 1,217,322.52
Step by Step Solution
- Step 1: Write the proportion equation
2,756,767.61 : 4,135,410.71 = 811,497.47 : x - Step 2: Convert to fraction form
2,756,767.61/4,135,410.71 = 811,497.47/x - Step 3: Cross multiply
2,756,767.61x = 4,135,410.71 × 811,497.47 - Step 4: Simplify right side
2,756,767.61x = 3,355,875,306,884.48 - Step 5: Solve for x
x = 3,355,875,306,884.48/2,756,767.61 - Step 6: Final answer
x = 1,217,322.52
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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.