Finding the Fourth Proportional to 1,485,197.78, 2,049,159.47 and 840,604.23
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Solution
The fourth proportional to 1,485,197.78, 2,049,159.47 and 840,604.23 is: 1,159,799.82
Step by Step Solution
- Step 1: Write the proportion equation
1,485,197.78 : 2,049,159.47 = 840,604.23 : x - Step 2: Convert to fraction form
1,485,197.78/2,049,159.47 = 840,604.23/x - Step 3: Cross multiply
1,485,197.78x = 2,049,159.47 × 840,604.23 - Step 4: Simplify right side
1,485,197.78x = 1,722,532,114,223.54 - Step 5: Solve for x
x = 1,722,532,114,223.54/1,485,197.78 - Step 6: Final answer
x = 1,159,799.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.