Finding the Fourth Proportional to 4,187,789.40, 6,276,253.18 and 1,880,578.90
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Solution
The fourth proportional to 4,187,789.40, 6,276,253.18 and 1,880,578.90 is: 2,818,429.53
Step by Step Solution
- Step 1: Write the proportion equation
4,187,789.40 : 6,276,253.18 = 1,880,578.90 : x - Step 2: Convert to fraction form
4,187,789.40/6,276,253.18 = 1,880,578.90/x - Step 3: Cross multiply
4,187,789.40x = 6,276,253.18 × 1,880,578.90 - Step 4: Simplify right side
4,187,789.40x = 11,802,989,301,365.90 - Step 5: Solve for x
x = 11,802,989,301,365.90/4,187,789.40 - Step 6: Final answer
x = 2,818,429.53
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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.