Finding the Fourth Proportional to 4,514,260.71, 6,769,816.42 and 1,988,538.15
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Solution
The fourth proportional to 4,514,260.71, 6,769,816.42 and 1,988,538.15 is: 2,982,113.59
Step by Step Solution
- Step 1: Write the proportion equation
4,514,260.71 : 6,769,816.42 = 1,988,538.15 : x - Step 2: Convert to fraction form
4,514,260.71/6,769,816.42 = 1,988,538.15/x - Step 3: Cross multiply
4,514,260.71x = 6,769,816.42 × 1,988,538.15 - Step 4: Simplify right side
4,514,260.71x = 13,462,038,219,666.42 - Step 5: Solve for x
x = 13,462,038,219,666.42/4,514,260.71 - Step 6: Final answer
x = 2,982,113.59
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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.