Finding the Fourth Proportional to 4,971,809.28, 6,857,209.44 and 3,230,040
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Solution
The fourth proportional to 4,971,809.28, 6,857,209.44 and 3,230,040 is: 4,454,929.69
Step by Step Solution
- Step 1: Write the proportion equation
4,971,809.28 : 6,857,209.44 = 3,230,040 : x - Step 2: Convert to fraction form
4,971,809.28/6,857,209.44 = 3,230,040/x - Step 3: Cross multiply
4,971,809.28x = 6,857,209.44 × 3,230,040 - Step 4: Simplify right side
4,971,809.28x = 22,149,060,779,577.60 - Step 5: Solve for x
x = 22,149,060,779,577.60/4,971,809.28 - Step 6: Final answer
x = 4,454,929.69
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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.