Finding the Fourth Proportional to 1,778,088.38, 2,664,438.42 and 1,176,895.74
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Solution
The fourth proportional to 1,778,088.38, 2,664,438.42 and 1,176,895.74 is: 1,763,560.38
Step by Step Solution
- Step 1: Write the proportion equation
1,778,088.38 : 2,664,438.42 = 1,176,895.74 : x - Step 2: Convert to fraction form
1,778,088.38/2,664,438.42 = 1,176,895.74/x - Step 3: Cross multiply
1,778,088.38x = 2,664,438.42 × 1,176,895.74 - Step 4: Simplify right side
1,778,088.38x = 3,135,766,225,990.33 - Step 5: Solve for x
x = 3,135,766,225,990.33/1,778,088.38 - Step 6: Final answer
x = 1,763,560.38
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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.