Finding the Fourth Proportional to 4,689,253.74, 7,041,930.14 and 2,878,253.06
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Solution
The fourth proportional to 4,689,253.74, 7,041,930.14 and 2,878,253.06 is: 4,322,320.37
Step by Step Solution
- Step 1: Write the proportion equation
4,689,253.74 : 7,041,930.14 = 2,878,253.06 : x - Step 2: Convert to fraction form
4,689,253.74/7,041,930.14 = 2,878,253.06/x - Step 3: Cross multiply
4,689,253.74x = 7,041,930.14 × 2,878,253.06 - Step 4: Simplify right side
4,689,253.74x = 20,268,456,973,761.23 - Step 5: Solve for x
x = 20,268,456,973,761.23/4,689,253.74 - Step 6: Final answer
x = 4,322,320.37
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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.