Finding the Fourth Proportional to 1,438,369.71, 2,156,993.62 and 539,321.55
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Solution
The fourth proportional to 1,438,369.71, 2,156,993.62 and 539,321.55 is: 808,772.00
Step by Step Solution
- Step 1: Write the proportion equation
1,438,369.71 : 2,156,993.62 = 539,321.55 : x - Step 2: Convert to fraction form
1,438,369.71/2,156,993.62 = 539,321.55/x - Step 3: Cross multiply
1,438,369.71x = 2,156,993.62 × 539,321.55 - Step 4: Simplify right side
1,438,369.71x = 1,163,313,142,478.51 - Step 5: Solve for x
x = 1,163,313,142,478.51/1,438,369.71 - Step 6: Final answer
x = 808,772.00
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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.