Finding the Fourth Proportional to 6,461,392.26, 9,620,353.86 and 6,370,909.86
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Solution
The fourth proportional to 6,461,392.26, 9,620,353.86 and 6,370,909.86 is: 9,485,634.80
Step by Step Solution
- Step 1: Write the proportion equation
6,461,392.26 : 9,620,353.86 = 6,370,909.86 : x - Step 2: Convert to fraction form
6,461,392.26/9,620,353.86 = 6,370,909.86/x - Step 3: Cross multiply
6,461,392.26x = 9,620,353.86 × 6,370,909.86 - Step 4: Simplify right side
6,461,392.26x = 61,290,407,263,363.06 - Step 5: Solve for x
x = 61,290,407,263,363.06/6,461,392.26 - Step 6: Final answer
x = 9,485,634.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.