Finding the Fourth Proportional to 1,575,602.20, 2,366,027.70 and 866,139.40
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Solution
The fourth proportional to 1,575,602.20, 2,366,027.70 and 866,139.40 is: 1,300,651.78
Step by Step Solution
- Step 1: Write the proportion equation
1,575,602.20 : 2,366,027.70 = 866,139.40 : x - Step 2: Convert to fraction form
1,575,602.20/2,366,027.70 = 866,139.40/x - Step 3: Cross multiply
1,575,602.20x = 2,366,027.70 × 866,139.40 - Step 4: Simplify right side
1,575,602.20x = 2,049,309,812,461.38 - Step 5: Solve for x
x = 2,049,309,812,461.38/1,575,602.20 - Step 6: Final answer
x = 1,300,651.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.