Finding the Fourth Proportional to 1,512,751.74, 2,087,597.73 and 824,423.76
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Solution
The fourth proportional to 1,512,751.74, 2,087,597.73 and 824,423.76 is: 1,137,704.97
Step by Step Solution
- Step 1: Write the proportion equation
1,512,751.74 : 2,087,597.73 = 824,423.76 : x - Step 2: Convert to fraction form
1,512,751.74/2,087,597.73 = 824,423.76/x - Step 3: Cross multiply
1,512,751.74x = 2,087,597.73 × 824,423.76 - Step 4: Simplify right side
1,512,751.74x = 1,721,065,169,934.06 - Step 5: Solve for x
x = 1,721,065,169,934.06/1,512,751.74 - Step 6: Final answer
x = 1,137,704.97
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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.