Finding the Fourth Proportional to 2,637,190.62, 3,639,345.12 and 1,429,966.62
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Solution
The fourth proportional to 2,637,190.62, 3,639,345.12 and 1,429,966.62 is: 1,973,365.90
Step by Step Solution
- Step 1: Write the proportion equation
2,637,190.62 : 3,639,345.12 = 1,429,966.62 : x - Step 2: Convert to fraction form
2,637,190.62/3,639,345.12 = 1,429,966.62/x - Step 3: Cross multiply
2,637,190.62x = 3,639,345.12 × 1,429,966.62 - Step 4: Simplify right side
2,637,190.62x = 5,204,142,040,259.89 - Step 5: Solve for x
x = 5,204,142,040,259.89/2,637,190.62 - Step 6: Final answer
x = 1,973,365.90
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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.