Finding the Fourth Proportional to 2,077,330.60, 3,115,412.70 and 657,821.80
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Solution
The fourth proportional to 2,077,330.60, 3,115,412.70 and 657,821.80 is: 986,548.02
Step by Step Solution
- Step 1: Write the proportion equation
2,077,330.60 : 3,115,412.70 = 657,821.80 : x - Step 2: Convert to fraction form
2,077,330.60/3,115,412.70 = 657,821.80/x - Step 3: Cross multiply
2,077,330.60x = 3,115,412.70 × 657,821.80 - Step 4: Simplify right side
2,077,330.60x = 2,049,386,390,056.86 - Step 5: Solve for x
x = 2,049,386,390,056.86/2,077,330.60 - Step 6: Final answer
x = 986,548.02
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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.