Finding the Fourth Proportional to 4,357,829.60, 6,543,742.80 and 3,294,072.80
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Solution
The fourth proportional to 4,357,829.60, 6,543,742.80 and 3,294,072.80 is: 4,946,399.27
Step by Step Solution
- Step 1: Write the proportion equation
4,357,829.60 : 6,543,742.80 = 3,294,072.80 : x - Step 2: Convert to fraction form
4,357,829.60/6,543,742.80 = 3,294,072.80/x - Step 3: Cross multiply
4,357,829.60x = 6,543,742.80 × 3,294,072.80 - Step 4: Simplify right side
4,357,829.60x = 21,555,565,167,675.84 - Step 5: Solve for x
x = 21,555,565,167,675.84/4,357,829.60 - Step 6: Final answer
x = 4,946,399.27
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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.