Finding the Fourth Proportional to 1,989,127.08, 2,983,668.54 and 1,190,631.48
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Solution
The fourth proportional to 1,989,127.08, 2,983,668.54 and 1,190,631.48 is: 1,785,934.00
Step by Step Solution
- Step 1: Write the proportion equation
1,989,127.08 : 2,983,668.54 = 1,190,631.48 : x - Step 2: Convert to fraction form
1,989,127.08/2,983,668.54 = 1,190,631.48/x - Step 3: Cross multiply
1,989,127.08x = 2,983,668.54 × 1,190,631.48 - Step 4: Simplify right side
1,989,127.08x = 3,552,449,689,609.64 - Step 5: Solve for x
x = 3,552,449,689,609.64/1,989,127.08 - Step 6: Final answer
x = 1,785,934.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.