Finding the Fourth Proportional to 1,405,867.34, 2,108,364.65 and 507,191.99
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Solution
The fourth proportional to 1,405,867.34, 2,108,364.65 and 507,191.99 is: 760,630.55
Step by Step Solution
- Step 1: Write the proportion equation
1,405,867.34 : 2,108,364.65 = 507,191.99 : x - Step 2: Convert to fraction form
1,405,867.34/2,108,364.65 = 507,191.99/x - Step 3: Cross multiply
1,405,867.34x = 2,108,364.65 × 507,191.99 - Step 4: Simplify right side
1,405,867.34x = 1,069,345,649,401.37 - Step 5: Solve for x
x = 1,069,345,649,401.37/1,405,867.34 - Step 6: Final answer
x = 760,630.55
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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.