Finding the Fourth Proportional to 2,762,345.19, 3,812,122.42 and 1,585,159.64
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Solution
The fourth proportional to 2,762,345.19, 3,812,122.42 and 1,585,159.64 is: 2,187,569.68
Step by Step Solution
- Step 1: Write the proportion equation
2,762,345.19 : 3,812,122.42 = 1,585,159.64 : x - Step 2: Convert to fraction form
2,762,345.19/3,812,122.42 = 1,585,159.64/x - Step 3: Cross multiply
2,762,345.19x = 3,812,122.42 × 1,585,159.64 - Step 4: Simplify right side
2,762,345.19x = 6,042,822,579,899.62 - Step 5: Solve for x
x = 6,042,822,579,899.62/2,762,345.19 - Step 6: Final answer
x = 2,187,569.68
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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.