Finding the Fourth Proportional to 4,237,674.80, 6,356,220.60 and 1,358,999.60
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Solution
The fourth proportional to 4,237,674.80, 6,356,220.60 and 1,358,999.60 is: 2,038,405.89
Step by Step Solution
- Step 1: Write the proportion equation
4,237,674.80 : 6,356,220.60 = 1,358,999.60 : x - Step 2: Convert to fraction form
4,237,674.80/6,356,220.60 = 1,358,999.60/x - Step 3: Cross multiply
4,237,674.80x = 6,356,220.60 × 1,358,999.60 - Step 4: Simplify right side
4,237,674.80x = 8,638,101,252,911.76 - Step 5: Solve for x
x = 8,638,101,252,911.76/4,237,674.80 - Step 6: Final answer
x = 2,038,405.89
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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.