Finding the Fourth Proportional to 1,406,138.13, 2,109,210.03 and 508,213.98
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Solution
The fourth proportional to 1,406,138.13, 2,109,210.03 and 508,213.98 is: 762,321.99
Step by Step Solution
- Step 1: Write the proportion equation
1,406,138.13 : 2,109,210.03 = 508,213.98 : x - Step 2: Convert to fraction form
1,406,138.13/2,109,210.03 = 508,213.98/x - Step 3: Cross multiply
1,406,138.13x = 2,109,210.03 × 508,213.98 - Step 4: Simplify right side
1,406,138.13x = 1,071,930,024,002.22 - Step 5: Solve for x
x = 1,071,930,024,002.22/1,406,138.13 - Step 6: Final answer
x = 762,321.99
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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.