Finding the Fourth Proportional to 1,979,128, 2,731,201.92 and 1,073,710
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Solution
The fourth proportional to 1,979,128, 2,731,201.92 and 1,073,710 is: 1,481,722.66
Step by Step Solution
- Step 1: Write the proportion equation
1,979,128 : 2,731,201.92 = 1,073,710 : x - Step 2: Convert to fraction form
1,979,128/2,731,201.92 = 1,073,710/x - Step 3: Cross multiply
1,979,128x = 2,731,201.92 × 1,073,710 - Step 4: Simplify right side
1,979,128x = 2,932,518,813,523.20 - Step 5: Solve for x
x = 2,932,518,813,523.20/1,979,128 - Step 6: Final answer
x = 1,481,722.66
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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.