Finding the Fourth Proportional to 1,778,578.97, 2,667,859.47 and 430,741.53
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Solution
The fourth proportional to 1,778,578.97, 2,667,859.47 and 430,741.53 is: 646,110.12
Step by Step Solution
- Step 1: Write the proportion equation
1,778,578.97 : 2,667,859.47 = 430,741.53 : x - Step 2: Convert to fraction form
1,778,578.97/2,667,859.47 = 430,741.53/x - Step 3: Cross multiply
1,778,578.97x = 2,667,859.47 × 430,741.53 - Step 4: Simplify right side
1,778,578.97x = 1,149,157,869,932.79 - Step 5: Solve for x
x = 1,149,157,869,932.79/1,778,578.97 - Step 6: Final answer
x = 646,110.12
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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.