Finding the Fourth Proportional to 4,152,887.20, 6,228,164.40 and 1,313,869.60
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Solution
The fourth proportional to 4,152,887.20, 6,228,164.40 and 1,313,869.60 is: 1,970,435.38
Step by Step Solution
- Step 1: Write the proportion equation
4,152,887.20 : 6,228,164.40 = 1,313,869.60 : x - Step 2: Convert to fraction form
4,152,887.20/6,228,164.40 = 1,313,869.60/x - Step 3: Cross multiply
4,152,887.20x = 6,228,164.40 × 1,313,869.60 - Step 4: Simplify right side
4,152,887.20x = 8,182,995,868,962.24 - Step 5: Solve for x
x = 8,182,995,868,962.24/4,152,887.20 - Step 6: Final answer
x = 1,970,435.38
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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.