Finding the Fourth Proportional to 2,803,655.74, 3,869,048.38 and 1,514,496.14
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Solution
The fourth proportional to 2,803,655.74, 3,869,048.38 and 1,514,496.14 is: 2,090,006.55
Step by Step Solution
- Step 1: Write the proportion equation
2,803,655.74 : 3,869,048.38 = 1,514,496.14 : x - Step 2: Convert to fraction form
2,803,655.74/3,869,048.38 = 1,514,496.14/x - Step 3: Cross multiply
2,803,655.74x = 3,869,048.38 × 1,514,496.14 - Step 4: Simplify right side
2,803,655.74x = 5,859,658,842,869.63 - Step 5: Solve for x
x = 5,859,658,842,869.63/2,803,655.74 - Step 6: Final answer
x = 2,090,006.55
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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.