Finding the Fourth Proportional to 2,194,130.20, 3,026,681.10 and 1,276,256.02
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Solution
The fourth proportional to 2,194,130.20, 3,026,681.10 and 1,276,256.02 is: 1,760,524.50
Step by Step Solution
- Step 1: Write the proportion equation
2,194,130.20 : 3,026,681.10 = 1,276,256.02 : x - Step 2: Convert to fraction form
2,194,130.20/3,026,681.10 = 1,276,256.02/x - Step 3: Cross multiply
2,194,130.20x = 3,026,681.10 × 1,276,256.02 - Step 4: Simplify right side
2,194,130.20x = 3,862,819,974,495.22 - Step 5: Solve for x
x = 3,862,819,974,495.22/2,194,130.20 - Step 6: Final answer
x = 1,760,524.50
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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.