Finding the Fourth Proportional to 1,670,702.79, 2,305,572.09 and 906,756.36
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Solution
The fourth proportional to 1,670,702.79, 2,305,572.09 and 906,756.36 is: 1,251,324.99
Step by Step Solution
- Step 1: Write the proportion equation
1,670,702.79 : 2,305,572.09 = 906,756.36 : x - Step 2: Convert to fraction form
1,670,702.79/2,305,572.09 = 906,756.36/x - Step 3: Cross multiply
1,670,702.79x = 2,305,572.09 × 906,756.36 - Step 4: Simplify right side
1,670,702.79x = 2,090,592,156,045.99 - Step 5: Solve for x
x = 2,090,592,156,045.99/1,670,702.79 - Step 6: Final answer
x = 1,251,324.99
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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.