Finding the Fourth Proportional to 2,167,188.84, 2,990,743.02 and 1,307,583
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Solution
The fourth proportional to 2,167,188.84, 2,990,743.02 and 1,307,583 is: 1,804,478.07
Step by Step Solution
- Step 1: Write the proportion equation
2,167,188.84 : 2,990,743.02 = 1,307,583 : x - Step 2: Convert to fraction form
2,167,188.84/2,990,743.02 = 1,307,583/x - Step 3: Cross multiply
2,167,188.84x = 2,990,743.02 × 1,307,583 - Step 4: Simplify right side
2,167,188.84x = 3,910,644,730,320.66 - Step 5: Solve for x
x = 3,910,644,730,320.66/2,167,188.84 - Step 6: Final answer
x = 1,804,478.07
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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.