Finding the Fourth Proportional to 2,079,655.04, 2,869,432.12 and 1,207,971.79
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Solution
The fourth proportional to 2,079,655.04, 2,869,432.12 and 1,207,971.79 is: 1,666,715.38
Step by Step Solution
- Step 1: Write the proportion equation
2,079,655.04 : 2,869,432.12 = 1,207,971.79 : x - Step 2: Convert to fraction form
2,079,655.04/2,869,432.12 = 1,207,971.79/x - Step 3: Cross multiply
2,079,655.04x = 2,869,432.12 × 1,207,971.79 - Step 4: Simplify right side
2,079,655.04x = 3,466,193,048,240.04 - Step 5: Solve for x
x = 3,466,193,048,240.04/2,079,655.04 - Step 6: Final answer
x = 1,666,715.38
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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.