Finding the Fourth Proportional to 2,422,434.36, 3,342,962.64 and 1,319,860.12
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Solution
The fourth proportional to 2,422,434.36, 3,342,962.64 and 1,319,860.12 is: 1,821,408.72
Step by Step Solution
- Step 1: Write the proportion equation
2,422,434.36 : 3,342,962.64 = 1,319,860.12 : x - Step 2: Convert to fraction form
2,422,434.36/3,342,962.64 = 1,319,860.12/x - Step 3: Cross multiply
2,422,434.36x = 3,342,962.64 × 1,319,860.12 - Step 4: Simplify right side
2,422,434.36x = 4,412,243,071,185.92 - Step 5: Solve for x
x = 4,412,243,071,185.92/2,422,434.36 - Step 6: Final answer
x = 1,821,408.72
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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.