Finding the Fourth Proportional to 4,933,930.05, 7,386,463.41 and 2,878,305.19
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Solution
The fourth proportional to 4,933,930.05, 7,386,463.41 and 2,878,305.19 is: 4,309,038.79
Step by Step Solution
- Step 1: Write the proportion equation
4,933,930.05 : 7,386,463.41 = 2,878,305.19 : x - Step 2: Convert to fraction form
4,933,930.05/7,386,463.41 = 2,878,305.19/x - Step 3: Cross multiply
4,933,930.05x = 7,386,463.41 × 2,878,305.19 - Step 4: Simplify right side
4,933,930.05x = 21,260,495,968,748.10 - Step 5: Solve for x
x = 21,260,495,968,748.10/4,933,930.05 - Step 6: Final answer
x = 4,309,038.79
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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.