Finding the Fourth Proportional to 6,242,556.70, 9,363,835.05 and 5,764,259.80
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Solution
The fourth proportional to 6,242,556.70, 9,363,835.05 and 5,764,259.80 is: 8,646,389.70
Step by Step Solution
- Step 1: Write the proportion equation
6,242,556.70 : 9,363,835.05 = 5,764,259.80 : x - Step 2: Convert to fraction form
6,242,556.70/9,363,835.05 = 5,764,259.80/x - Step 3: Cross multiply
6,242,556.70x = 9,363,835.05 × 5,764,259.80 - Step 4: Simplify right side
6,242,556.70x = 53,975,577,952,545.99 - Step 5: Solve for x
x = 53,975,577,952,545.99/6,242,556.70 - Step 6: Final answer
x = 8,646,389.70
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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.