Finding the Fourth Proportional to 2,886,285.68, 4,329,457.56 and 1,288,929.68
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Solution
The fourth proportional to 2,886,285.68, 4,329,457.56 and 1,288,929.68 is: 1,933,407.49
Step by Step Solution
- Step 1: Write the proportion equation
2,886,285.68 : 4,329,457.56 = 1,288,929.68 : x - Step 2: Convert to fraction form
2,886,285.68/4,329,457.56 = 1,288,929.68/x - Step 3: Cross multiply
2,886,285.68x = 4,329,457.56 × 1,288,929.68 - Step 4: Simplify right side
2,886,285.68x = 5,580,366,347,384.38 - Step 5: Solve for x
x = 5,580,366,347,384.38/2,886,285.68 - Step 6: Final answer
x = 1,933,407.49
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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.