Finding the Fourth Proportional to 1,976,041.32, 2,726,901.36 and 1,116,583.08
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Solution
The fourth proportional to 1,976,041.32, 2,726,901.36 and 1,116,583.08 is: 1,540,864.50
Step by Step Solution
- Step 1: Write the proportion equation
1,976,041.32 : 2,726,901.36 = 1,116,583.08 : x - Step 2: Convert to fraction form
1,976,041.32/2,726,901.36 = 1,116,583.08/x - Step 3: Cross multiply
1,976,041.32x = 2,726,901.36 × 1,116,583.08 - Step 4: Simplify right side
1,976,041.32x = 3,044,811,919,404.99 - Step 5: Solve for x
x = 3,044,811,919,404.99/1,976,041.32 - Step 6: Final answer
x = 1,540,864.50
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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.