Finding the Fourth Proportional to 1,992,528.72, 2,749,675.61 and 1,133,088.75
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Solution
The fourth proportional to 1,992,528.72, 2,749,675.61 and 1,133,088.75 is: 1,563,654.50
Step by Step Solution
- Step 1: Write the proportion equation
1,992,528.72 : 2,749,675.61 = 1,133,088.75 : x - Step 2: Convert to fraction form
1,992,528.72/2,749,675.61 = 1,133,088.75/x - Step 3: Cross multiply
1,992,528.72x = 2,749,675.61 × 1,133,088.75 - Step 4: Simplify right side
1,992,528.72x = 3,115,626,502,673.11 - Step 5: Solve for x
x = 3,115,626,502,673.11/1,992,528.72 - Step 6: Final answer
x = 1,563,654.50
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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.