Finding the Fourth Proportional to 1,498,666.80, 2,068,190.36 and 819,646.96
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Solution
The fourth proportional to 1,498,666.80, 2,068,190.36 and 819,646.96 is: 1,131,129.31
Step by Step Solution
- Step 1: Write the proportion equation
1,498,666.80 : 2,068,190.36 = 819,646.96 : x - Step 2: Convert to fraction form
1,498,666.80/2,068,190.36 = 819,646.96/x - Step 3: Cross multiply
1,498,666.80x = 2,068,190.36 × 819,646.96 - Step 4: Simplify right side
1,498,666.80x = 1,695,185,941,275.31 - Step 5: Solve for x
x = 1,695,185,941,275.31/1,498,666.80 - Step 6: Final answer
x = 1,131,129.31
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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.