Finding the Fourth Proportional to 2,518,364.36, 3,475,241.40 and 1,372,420.10
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Solution
The fourth proportional to 2,518,364.36, 3,475,241.40 and 1,372,420.10 is: 1,893,884.47
Step by Step Solution
- Step 1: Write the proportion equation
2,518,364.36 : 3,475,241.40 = 1,372,420.10 : x - Step 2: Convert to fraction form
2,518,364.36/3,475,241.40 = 1,372,420.10/x - Step 3: Cross multiply
2,518,364.36x = 3,475,241.40 × 1,372,420.10 - Step 4: Simplify right side
2,518,364.36x = 4,769,491,149,712.14 - Step 5: Solve for x
x = 4,769,491,149,712.14/2,518,364.36 - Step 6: Final answer
x = 1,893,884.47
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1.5x scale
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.