Finding the Fourth Proportional to 4,830,909, 7,247,549.94 and 2,403,207.78
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Solution
The fourth proportional to 4,830,909, 7,247,549.94 and 2,403,207.78 is: 3,605,401.88
Step by Step Solution
- Step 1: Write the proportion equation
4,830,909 : 7,247,549.94 = 2,403,207.78 : x - Step 2: Convert to fraction form
4,830,909/7,247,549.94 = 2,403,207.78/x - Step 3: Cross multiply
4,830,909x = 7,247,549.94 × 2,403,207.78 - Step 4: Simplify right side
4,830,909x = 17,417,368,401,746.53 - Step 5: Solve for x
x = 17,417,368,401,746.53/4,830,909 - Step 6: Final answer
x = 3,605,401.88
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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.