Finding the Fourth Proportional to 6,119,776.36, 8,445,244.77 and 3,366,404.65
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Solution
The fourth proportional to 6,119,776.36, 8,445,244.77 and 3,366,404.65 is: 4,645,612.78
Step by Step Solution
- Step 1: Write the proportion equation
6,119,776.36 : 8,445,244.77 = 3,366,404.65 : x - Step 2: Convert to fraction form
6,119,776.36/8,445,244.77 = 3,366,404.65/x - Step 3: Cross multiply
6,119,776.36x = 8,445,244.77 × 3,366,404.65 - Step 4: Simplify right side
6,119,776.36x = 28,430,111,264,116.18 - Step 5: Solve for x
x = 28,430,111,264,116.18/6,119,776.36 - Step 6: Final answer
x = 4,645,612.78
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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.