Finding the Fourth Proportional to 4,452,631.12, 6,144,642.70 and 2,415,440.62
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Solution
The fourth proportional to 4,452,631.12, 6,144,642.70 and 2,415,440.62 is: 3,333,314.43
Step by Step Solution
- Step 1: Write the proportion equation
4,452,631.12 : 6,144,642.70 = 2,415,440.62 : x - Step 2: Convert to fraction form
4,452,631.12/6,144,642.70 = 2,415,440.62/x - Step 3: Cross multiply
4,452,631.12x = 6,144,642.70 × 2,415,440.62 - Step 4: Simplify right side
4,452,631.12x = 14,842,019,572,966.47 - Step 5: Solve for x
x = 14,842,019,572,966.47/4,452,631.12 - Step 6: Final answer
x = 3,333,314.43
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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.