Finding the Fourth Proportional to 4,505,971.06, 6,218,002.28 and 2,572,154.74
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Solution
The fourth proportional to 4,505,971.06, 6,218,002.28 and 2,572,154.74 is: 3,549,437.81
Step by Step Solution
- Step 1: Write the proportion equation
4,505,971.06 : 6,218,002.28 = 2,572,154.74 : x - Step 2: Convert to fraction form
4,505,971.06/6,218,002.28 = 2,572,154.74/x - Step 3: Cross multiply
4,505,971.06x = 6,218,002.28 × 2,572,154.74 - Step 4: Simplify right side
4,505,971.06x = 15,993,664,037,832.81 - Step 5: Solve for x
x = 15,993,664,037,832.81/4,505,971.06 - Step 6: Final answer
x = 3,549,437.81
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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.