Finding the Fourth Proportional to 2,390,420.94, 3,298,697.11 and 1,302,670.32
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Solution
The fourth proportional to 2,390,420.94, 3,298,697.11 and 1,302,670.32 is: 1,797,639.38
Step by Step Solution
- Step 1: Write the proportion equation
2,390,420.94 : 3,298,697.11 = 1,302,670.32 : x - Step 2: Convert to fraction form
2,390,420.94/3,298,697.11 = 1,302,670.32/x - Step 3: Cross multiply
2,390,420.94x = 3,298,697.11 × 1,302,670.32 - Step 4: Simplify right side
2,390,420.94x = 4,297,114,801,797.48 - Step 5: Solve for x
x = 4,297,114,801,797.48/2,390,420.94 - Step 6: Final answer
x = 1,797,639.38
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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.