Finding the Fourth Proportional to 3,330,535.40, 4,595,649.70 and 1,860,262.81
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Solution
The fourth proportional to 3,330,535.40, 4,595,649.70 and 1,860,262.81 is: 2,566,889.46
Step by Step Solution
- Step 1: Write the proportion equation
3,330,535.40 : 4,595,649.70 = 1,860,262.81 : x - Step 2: Convert to fraction form
3,330,535.40/4,595,649.70 = 1,860,262.81/x - Step 3: Cross multiply
3,330,535.40x = 4,595,649.70 × 1,860,262.81 - Step 4: Simplify right side
3,330,535.40x = 8,549,116,212,045.87 - Step 5: Solve for x
x = 8,549,116,212,045.87/3,330,535.40 - Step 6: Final answer
x = 2,566,889.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.