Finding the Fourth Proportional to 1,512,559.14, 2,087,304.84 and 824,237.07
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Solution
The fourth proportional to 1,512,559.14, 2,087,304.84 and 824,237.07 is: 1,137,432.57
Step by Step Solution
- Step 1: Write the proportion equation
1,512,559.14 : 2,087,304.84 = 824,237.07 : x - Step 2: Convert to fraction form
1,512,559.14/2,087,304.84 = 824,237.07/x - Step 3: Cross multiply
1,512,559.14x = 2,087,304.84 × 824,237.07 - Step 4: Simplify right side
1,512,559.14x = 1,720,434,025,518.42 - Step 5: Solve for x
x = 1,720,434,025,518.42/1,512,559.14 - Step 6: Final answer
x = 1,137,432.57
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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.