Finding the Fourth Proportional to 1,512,681.55, 2,087,603.79 and 924,232.90
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Solution
The fourth proportional to 1,512,681.55, 2,087,603.79 and 924,232.90 is: 1,275,504.49
Step by Step Solution
- Step 1: Write the proportion equation
1,512,681.55 : 2,087,603.79 = 924,232.90 : x - Step 2: Convert to fraction form
1,512,681.55/2,087,603.79 = 924,232.90/x - Step 3: Cross multiply
1,512,681.55x = 2,087,603.79 × 924,232.90 - Step 4: Simplify right side
1,512,681.55x = 1,929,432,100,112.07 - Step 5: Solve for x
x = 1,929,432,100,112.07/1,512,681.55 - Step 6: Final answer
x = 1,275,504.49
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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.