Finding the Fourth Proportional to 1,896,172.96, 2,616,700.80 and 1,036,724.08
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Solution
The fourth proportional to 1,896,172.96, 2,616,700.80 and 1,036,724.08 is: 1,430,669.45
Step by Step Solution
- Step 1: Write the proportion equation
1,896,172.96 : 2,616,700.80 = 1,036,724.08 : x - Step 2: Convert to fraction form
1,896,172.96/2,616,700.80 = 1,036,724.08/x - Step 3: Cross multiply
1,896,172.96x = 2,616,700.80 × 1,036,724.08 - Step 4: Simplify right side
1,896,172.96x = 2,712,796,729,515.26 - Step 5: Solve for x
x = 2,712,796,729,515.26/1,896,172.96 - Step 6: Final answer
x = 1,430,669.45
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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.