Finding the Fourth Proportional to 1,967,143.47, 2,948,964.66 and 768,793.29
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Solution
The fourth proportional to 1,967,143.47, 2,948,964.66 and 768,793.29 is: 1,152,505.79
Step by Step Solution
- Step 1: Write the proportion equation
1,967,143.47 : 2,948,964.66 = 768,793.29 : x - Step 2: Convert to fraction form
1,967,143.47/2,948,964.66 = 768,793.29/x - Step 3: Cross multiply
1,967,143.47x = 2,948,964.66 × 768,793.29 - Step 4: Simplify right side
1,967,143.47x = 2,267,144,243,055.13 - Step 5: Solve for x
x = 2,267,144,243,055.13/1,967,143.47 - Step 6: Final answer
x = 1,152,505.79
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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.