Finding the Fourth Proportional to 6,464,337.35, 8,920,713.80 and 3,711,090.65
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Solution
The fourth proportional to 6,464,337.35, 8,920,713.80 and 3,711,090.65 is: 5,121,263.91
Step by Step Solution
- Step 1: Write the proportion equation
6,464,337.35 : 8,920,713.80 = 3,711,090.65 : x - Step 2: Convert to fraction form
6,464,337.35/8,920,713.80 = 3,711,090.65/x - Step 3: Cross multiply
6,464,337.35x = 8,920,713.80 × 3,711,090.65 - Step 4: Simplify right side
6,464,337.35x = 33,105,577,539,180.13 - Step 5: Solve for x
x = 33,105,577,539,180.13/6,464,337.35 - Step 6: Final answer
x = 5,121,263.91
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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.