Finding the Fourth Proportional to 4,768,561.05, 6,580,787.30 and 2,731,764.21
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Solution
The fourth proportional to 4,768,561.05, 6,580,787.30 and 2,731,764.21 is: 3,769,933.74
Step by Step Solution
- Step 1: Write the proportion equation
4,768,561.05 : 6,580,787.30 = 2,731,764.21 : x - Step 2: Convert to fraction form
4,768,561.05/6,580,787.30 = 2,731,764.21/x - Step 3: Cross multiply
4,768,561.05x = 6,580,787.30 × 2,731,764.21 - Step 4: Simplify right side
4,768,561.05x = 17,977,159,206,103.71 - Step 5: Solve for x
x = 17,977,159,206,103.71/4,768,561.05 - Step 6: Final answer
x = 3,769,933.74
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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.