Finding the Fourth Proportional to 2,778,761.74, 4,167,559.40 and 783,751.18
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Solution
The fourth proportional to 2,778,761.74, 4,167,559.40 and 783,751.18 is: 1,175,462.28
Step by Step Solution
- Step 1: Write the proportion equation
2,778,761.74 : 4,167,559.40 = 783,751.18 : x - Step 2: Convert to fraction form
2,778,761.74/4,167,559.40 = 783,751.18/x - Step 3: Cross multiply
2,778,761.74x = 4,167,559.40 × 783,751.18 - Step 4: Simplify right side
2,778,761.74x = 3,266,329,597,470.09 - Step 5: Solve for x
x = 3,266,329,597,470.09/2,778,761.74 - Step 6: Final answer
x = 1,175,462.28
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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.