Finding the Fourth Proportional to 1,699,356.87, 2,344,838.09 and 974,071.13
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Solution
The fourth proportional to 1,699,356.87, 2,344,838.09 and 974,071.13 is: 1,344,060.87
Step by Step Solution
- Step 1: Write the proportion equation
1,699,356.87 : 2,344,838.09 = 974,071.13 : x - Step 2: Convert to fraction form
1,699,356.87/2,344,838.09 = 974,071.13/x - Step 3: Cross multiply
1,699,356.87x = 2,344,838.09 × 974,071.13 - Step 4: Simplify right side
1,699,356.87x = 2,284,039,071,398.80 - Step 5: Solve for x
x = 2,284,039,071,398.80/1,699,356.87 - Step 6: Final answer
x = 1,344,060.87
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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.