Finding the Fourth Proportional to 2,143,320.99, 2,960,237.76 and 1,411,546.47
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Solution
The fourth proportional to 2,143,320.99, 2,960,237.76 and 1,411,546.47 is: 1,949,550.80
Step by Step Solution
- Step 1: Write the proportion equation
2,143,320.99 : 2,960,237.76 = 1,411,546.47 : x - Step 2: Convert to fraction form
2,143,320.99/2,960,237.76 = 1,411,546.47/x - Step 3: Cross multiply
2,143,320.99x = 2,960,237.76 × 1,411,546.47 - Step 4: Simplify right side
2,143,320.99x = 4,178,513,160,488.71 - Step 5: Solve for x
x = 4,178,513,160,488.71/2,143,320.99 - Step 6: Final answer
x = 1,949,550.80
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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.