Finding the Fourth Proportional to 1,512,264.42, 2,087,696.21 and 1,024,809.18
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Solution
The fourth proportional to 1,512,264.42, 2,087,696.21 and 1,024,809.18 is: 1,414,759.36
Step by Step Solution
- Step 1: Write the proportion equation
1,512,264.42 : 2,087,696.21 = 1,024,809.18 : x - Step 2: Convert to fraction form
1,512,264.42/2,087,696.21 = 1,024,809.18/x - Step 3: Cross multiply
1,512,264.42x = 2,087,696.21 × 1,024,809.18 - Step 4: Simplify right side
1,512,264.42x = 2,139,490,235,935.16 - Step 5: Solve for x
x = 2,139,490,235,935.16/1,512,264.42 - Step 6: Final answer
x = 1,414,759.36
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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.