Finding the Fourth Proportional to 4,316,055.85, 6,454,417.65 and 3,222,605.62
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Solution
The fourth proportional to 4,316,055.85, 6,454,417.65 and 3,222,605.62 is: 4,819,224.62
Step by Step Solution
- Step 1: Write the proportion equation
4,316,055.85 : 6,454,417.65 = 3,222,605.62 : x - Step 2: Convert to fraction form
4,316,055.85/6,454,417.65 = 3,222,605.62/x - Step 3: Cross multiply
4,316,055.85x = 6,454,417.65 × 3,222,605.62 - Step 4: Simplify right side
4,316,055.85x = 20,800,042,592,717.20 - Step 5: Solve for x
x = 20,800,042,592,717.20/4,316,055.85 - Step 6: Final answer
x = 4,819,224.62
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1.5x scale
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.