Finding the Fourth Proportional to 1,626,428.12, 2,244,484.09 and 901,287.95
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Solution
The fourth proportional to 1,626,428.12, 2,244,484.09 and 901,287.95 is: 1,243,784.73
Step by Step Solution
- Step 1: Write the proportion equation
1,626,428.12 : 2,244,484.09 = 901,287.95 : x - Step 2: Convert to fraction form
1,626,428.12/2,244,484.09 = 901,287.95/x - Step 3: Cross multiply
1,626,428.12x = 2,244,484.09 × 901,287.95 - Step 4: Simplify right side
1,626,428.12x = 2,022,926,450,808.08 - Step 5: Solve for x
x = 2,022,926,450,808.08/1,626,428.12 - Step 6: Final answer
x = 1,243,784.73
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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.