Finding the Fourth Proportional to 5,423,132.74, 8,134,746.78 and 1,379,624.84
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Solution
The fourth proportional to 5,423,132.74, 8,134,746.78 and 1,379,624.84 is: 2,069,449.39
Step by Step Solution
- Step 1: Write the proportion equation
5,423,132.74 : 8,134,746.78 = 1,379,624.84 : x - Step 2: Convert to fraction form
5,423,132.74/8,134,746.78 = 1,379,624.84/x - Step 3: Cross multiply
5,423,132.74x = 8,134,746.78 × 1,379,624.84 - Step 4: Simplify right side
5,423,132.74x = 11,222,898,724,798.02 - Step 5: Solve for x
x = 11,222,898,724,798.02/5,423,132.74 - Step 6: Final answer
x = 2,069,449.39
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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.