Finding the Fourth Proportional to 1,919,240.64, 2,878,864.38 and 499,294.44
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Solution
The fourth proportional to 1,919,240.64, 2,878,864.38 and 499,294.44 is: 748,942.55
Step by Step Solution
- Step 1: Write the proportion equation
1,919,240.64 : 2,878,864.38 = 499,294.44 : x - Step 2: Convert to fraction form
1,919,240.64/2,878,864.38 = 499,294.44/x - Step 3: Cross multiply
1,919,240.64x = 2,878,864.38 × 499,294.44 - Step 4: Simplify right side
1,919,240.64x = 1,437,400,978,448.05 - Step 5: Solve for x
x = 1,437,400,978,448.05/1,919,240.64 - Step 6: Final answer
x = 748,942.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.