Finding the Fourth Proportional to 5,454,113.32, 8,181,169.74 and 1,667,595.88
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Solution
The fourth proportional to 5,454,113.32, 8,181,169.74 and 1,667,595.88 is: 2,501,393.75
Step by Step Solution
- Step 1: Write the proportion equation
5,454,113.32 : 8,181,169.74 = 1,667,595.88 : x - Step 2: Convert to fraction form
5,454,113.32/8,181,169.74 = 1,667,595.88/x - Step 3: Cross multiply
5,454,113.32x = 8,181,169.74 × 1,667,595.88 - Step 4: Simplify right side
5,454,113.32x = 13,642,884,952,004.67 - Step 5: Solve for x
x = 13,642,884,952,004.67/5,454,113.32 - Step 6: Final answer
x = 2,501,393.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.