Finding the Fourth Proportional to 1,425,651.84, 1,966,686.48 and 852,541.20
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Solution
The fourth proportional to 1,425,651.84, 1,966,686.48 and 852,541.20 is: 1,176,080.45
Step by Step Solution
- Step 1: Write the proportion equation
1,425,651.84 : 1,966,686.48 = 852,541.20 : x - Step 2: Convert to fraction form
1,425,651.84/1,966,686.48 = 852,541.20/x - Step 3: Cross multiply
1,425,651.84x = 1,966,686.48 × 852,541.20 - Step 4: Simplify right side
1,425,651.84x = 1,676,681,251,682.98 - Step 5: Solve for x
x = 1,676,681,251,682.98/1,425,651.84 - Step 6: Final answer
x = 1,176,080.45
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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.