Finding the Fourth Proportional to 2,534,017.47, 3,496,944.74 and 1,388,138.55
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Solution
The fourth proportional to 2,534,017.47, 3,496,944.74 and 1,388,138.55 is: 1,915,631.54
Step by Step Solution
- Step 1: Write the proportion equation
2,534,017.47 : 3,496,944.74 = 1,388,138.55 : x - Step 2: Convert to fraction form
2,534,017.47/3,496,944.74 = 1,388,138.55/x - Step 3: Cross multiply
2,534,017.47x = 3,496,944.74 × 1,388,138.55 - Step 4: Simplify right side
2,534,017.47x = 4,854,243,793,873.03 - Step 5: Solve for x
x = 4,854,243,793,873.03/2,534,017.47 - Step 6: Final answer
x = 1,915,631.54
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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.