Finding the Fourth Proportional to 2,448,543.13, 3,378,946.49 and 1,360,814.65
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Solution
The fourth proportional to 2,448,543.13, 3,378,946.49 and 1,360,814.65 is: 1,877,900.30
Step by Step Solution
- Step 1: Write the proportion equation
2,448,543.13 : 3,378,946.49 = 1,360,814.65 : x - Step 2: Convert to fraction form
2,448,543.13/3,378,946.49 = 1,360,814.65/x - Step 3: Cross multiply
2,448,543.13x = 3,378,946.49 × 1,360,814.65 - Step 4: Simplify right side
2,448,543.13x = 4,598,119,875,009.69 - Step 5: Solve for x
x = 4,598,119,875,009.69/2,448,543.13 - Step 6: Final answer
x = 1,877,900.30
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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.