Finding the Fourth Proportional to 2,176,708.20, 3,265,580.70 and 913,885.80
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Solution
The fourth proportional to 2,176,708.20, 3,265,580.70 and 913,885.80 is: 1,371,046.35
Step by Step Solution
- Step 1: Write the proportion equation
2,176,708.20 : 3,265,580.70 = 913,885.80 : x - Step 2: Convert to fraction form
2,176,708.20/3,265,580.70 = 913,885.80/x - Step 3: Cross multiply
2,176,708.20x = 3,265,580.70 × 913,885.80 - Step 4: Simplify right side
2,176,708.20x = 2,984,367,830,484.06 - Step 5: Solve for x
x = 2,984,367,830,484.06/2,176,708.20 - Step 6: Final answer
x = 1,371,046.35
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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.