Finding the Fourth Proportional to 1,979,187.96, 2,731,267.98 and 1,073,750.52
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Solution
The fourth proportional to 1,979,187.96, 2,731,267.98 and 1,073,750.52 is: 1,481,769.53
Step by Step Solution
- Step 1: Write the proportion equation
1,979,187.96 : 2,731,267.98 = 1,073,750.52 : x - Step 2: Convert to fraction form
1,979,187.96/2,731,267.98 = 1,073,750.52/x - Step 3: Cross multiply
1,979,187.96x = 2,731,267.98 × 1,073,750.52 - Step 4: Simplify right side
1,979,187.96x = 2,932,700,413,784.35 - Step 5: Solve for x
x = 2,932,700,413,784.35/1,979,187.96 - Step 6: Final answer
x = 1,481,769.53
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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.