Finding the Fourth Proportional to 2,078,125.57, 2,868,291.29 and 1,218,962.62
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Solution
The fourth proportional to 2,078,125.57, 2,868,291.29 and 1,218,962.62 is: 1,682,448.79
Step by Step Solution
- Step 1: Write the proportion equation
2,078,125.57 : 2,868,291.29 = 1,218,962.62 : x - Step 2: Convert to fraction form
2,078,125.57/2,868,291.29 = 1,218,962.62/x - Step 3: Cross multiply
2,078,125.57x = 2,868,291.29 × 1,218,962.62 - Step 4: Simplify right side
2,078,125.57x = 3,496,339,845,345.31 - Step 5: Solve for x
x = 3,496,339,845,345.31/2,078,125.57 - Step 6: Final answer
x = 1,682,448.79
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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.