Finding the Fourth Proportional to 5,394,993.60, 8,090,157.60 and 2,698,276.80
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Solution
The fourth proportional to 5,394,993.60, 8,090,157.60 and 2,698,276.80 is: 4,046,248.46
Step by Step Solution
- Step 1: Write the proportion equation
5,394,993.60 : 8,090,157.60 = 2,698,276.80 : x - Step 2: Convert to fraction form
5,394,993.60/8,090,157.60 = 2,698,276.80/x - Step 3: Cross multiply
5,394,993.60x = 8,090,157.60 × 2,698,276.80 - Step 4: Simplify right side
5,394,993.60x = 21,829,484,560,423.68 - Step 5: Solve for x
x = 21,829,484,560,423.68/5,394,993.60 - Step 6: Final answer
x = 4,046,248.46
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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.