Finding the Fourth Proportional to 6,289,826.58, 8,677,228.68 and 3,996,757.08
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Solution
The fourth proportional to 6,289,826.58, 8,677,228.68 and 3,996,757.08 is: 5,513,788.77
Step by Step Solution
- Step 1: Write the proportion equation
6,289,826.58 : 8,677,228.68 = 3,996,757.08 : x - Step 2: Convert to fraction form
6,289,826.58/8,677,228.68 = 3,996,757.08/x - Step 3: Cross multiply
6,289,826.58x = 8,677,228.68 × 3,996,757.08 - Step 4: Simplify right side
6,289,826.58x = 34,680,775,161,569.05 - Step 5: Solve for x
x = 34,680,775,161,569.05/6,289,826.58 - Step 6: Final answer
x = 5,513,788.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.