Finding the Fourth Proportional to 2,390,245.84, 3,298,455.36 and 1,343,635.12
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Solution
The fourth proportional to 2,390,245.84, 3,298,455.36 and 1,343,635.12 is: 1,854,169.30
Step by Step Solution
- Step 1: Write the proportion equation
2,390,245.84 : 3,298,455.36 = 1,343,635.12 : x - Step 2: Convert to fraction form
2,390,245.84/3,298,455.36 = 1,343,635.12/x - Step 3: Cross multiply
2,390,245.84x = 3,298,455.36 × 1,343,635.12 - Step 4: Simplify right side
2,390,245.84x = 4,431,920,463,448.24 - Step 5: Solve for x
x = 4,431,920,463,448.24/2,390,245.84 - Step 6: Final answer
x = 1,854,169.30
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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.