Finding the Fourth Proportional to 2,784,029.74, 3,842,279.76 and 1,560,665.68
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Solution
The fourth proportional to 2,784,029.74, 3,842,279.76 and 1,560,665.68 is: 2,153,897.31
Step by Step Solution
- Step 1: Write the proportion equation
2,784,029.74 : 3,842,279.76 = 1,560,665.68 : x - Step 2: Convert to fraction form
2,784,029.74/3,842,279.76 = 1,560,665.68/x - Step 3: Cross multiply
2,784,029.74x = 3,842,279.76 × 1,560,665.68 - Step 4: Simplify right side
2,784,029.74x = 5,996,514,154,390.64 - Step 5: Solve for x
x = 5,996,514,154,390.64/2,784,029.74 - Step 6: Final answer
x = 2,153,897.31
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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.