Finding the Fourth Proportional to 2,778,760.74, 4,167,557.91 and 783,750.18
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Solution
The fourth proportional to 2,778,760.74, 4,167,557.91 and 783,750.18 is: 1,175,460.78
Step by Step Solution
- Step 1: Write the proportion equation
2,778,760.74 : 4,167,557.91 = 783,750.18 : x - Step 2: Convert to fraction form
2,778,760.74/4,167,557.91 = 783,750.18/x - Step 3: Cross multiply
2,778,760.74x = 4,167,557.91 × 783,750.18 - Step 4: Simplify right side
2,778,760.74x = 3,266,324,262,122.92 - Step 5: Solve for x
x = 3,266,324,262,122.92/2,778,760.74 - Step 6: Final answer
x = 1,175,460.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.