Finding the Fourth Proportional to 4,768,639.02, 6,580,894.55 and 2,731,842.18
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Solution
The fourth proportional to 4,768,639.02, 6,580,894.55 and 2,731,842.18 is: 3,770,041.14
Step by Step Solution
- Step 1: Write the proportion equation
4,768,639.02 : 6,580,894.55 = 2,731,842.18 : x - Step 2: Convert to fraction form
4,768,639.02/6,580,894.55 = 2,731,842.18/x - Step 3: Cross multiply
4,768,639.02x = 6,580,894.55 × 2,731,842.18 - Step 4: Simplify right side
4,768,639.02x = 17,977,965,300,162.91 - Step 5: Solve for x
x = 17,977,965,300,162.91/4,768,639.02 - Step 6: Final answer
x = 3,770,041.14
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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.