Finding the Fourth Proportional to 1,438,391.94, 2,157,026.58 and 539,343.24
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Solution
The fourth proportional to 1,438,391.94, 2,157,026.58 and 539,343.24 is: 808,804.38
Step by Step Solution
- Step 1: Write the proportion equation
1,438,391.94 : 2,157,026.58 = 539,343.24 : x - Step 2: Convert to fraction form
1,438,391.94/2,157,026.58 = 539,343.24/x - Step 3: Cross multiply
1,438,391.94x = 2,157,026.58 × 539,343.24 - Step 4: Simplify right side
1,438,391.94x = 1,163,377,704,423.32 - Step 5: Solve for x
x = 1,163,377,704,423.32/1,438,391.94 - Step 6: Final answer
x = 808,804.38
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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.