Finding the Fourth Proportional to 1,225,971.64, 1,839,026.63 and 373,071.09
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Solution
The fourth proportional to 1,225,971.64, 1,839,026.63 and 373,071.09 is: 559,627.68
Step by Step Solution
- Step 1: Write the proportion equation
1,225,971.64 : 1,839,026.63 = 373,071.09 : x - Step 2: Convert to fraction form
1,225,971.64/1,839,026.63 = 373,071.09/x - Step 3: Cross multiply
1,225,971.64x = 1,839,026.63 × 373,071.09 - Step 4: Simplify right side
1,225,971.64x = 686,087,672,049.89 - Step 5: Solve for x
x = 686,087,672,049.89/1,225,971.64 - Step 6: Final answer
x = 559,627.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.