Finding the Fourth Proportional to 1,687,974.93, 2,329,409.34 and 924,077.70
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Solution
The fourth proportional to 1,687,974.93, 2,329,409.34 and 924,077.70 is: 1,275,229.38
Step by Step Solution
- Step 1: Write the proportion equation
1,687,974.93 : 2,329,409.34 = 924,077.70 : x - Step 2: Convert to fraction form
1,687,974.93/2,329,409.34 = 924,077.70/x - Step 3: Cross multiply
1,687,974.93x = 2,329,409.34 × 924,077.70 - Step 4: Simplify right side
1,687,974.93x = 2,152,555,225,265.72 - Step 5: Solve for x
x = 2,152,555,225,265.72/1,687,974.93 - Step 6: Final answer
x = 1,275,229.38
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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.