Finding the Fourth Proportional to 7,571,245.86, 11,356,491.33 and 2,778,558.08
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Solution
The fourth proportional to 7,571,245.86, 11,356,491.33 and 2,778,558.08 is: 4,167,698.59
Step by Step Solution
- Step 1: Write the proportion equation
7,571,245.86 : 11,356,491.33 = 2,778,558.08 : x - Step 2: Convert to fraction form
7,571,245.86/11,356,491.33 = 2,778,558.08/x - Step 3: Cross multiply
7,571,245.86x = 11,356,491.33 × 2,778,558.08 - Step 4: Simplify right side
7,571,245.86x = 31,554,670,688,638.99 - Step 5: Solve for x
x = 31,554,670,688,638.99/7,571,245.86 - Step 6: Final answer
x = 4,167,698.59
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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.