Finding the Fourth Proportional to 3,187,607.46, 4,398,769.98 and 1,737,271.68
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Solution
The fourth proportional to 3,187,607.46, 4,398,769.98 and 1,737,271.68 is: 2,397,364.99
Step by Step Solution
- Step 1: Write the proportion equation
3,187,607.46 : 4,398,769.98 = 1,737,271.68 : x - Step 2: Convert to fraction form
3,187,607.46/4,398,769.98 = 1,737,271.68/x - Step 3: Cross multiply
3,187,607.46x = 4,398,769.98 × 1,737,271.68 - Step 4: Simplify right side
3,187,607.46x = 7,641,858,513,088.17 - Step 5: Solve for x
x = 7,641,858,513,088.17/3,187,607.46 - Step 6: Final answer
x = 2,397,364.99
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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.