Finding the Fourth Proportional to 6,464,275.97, 8,920,701.26 and 3,711,141.86
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Solution
The fourth proportional to 6,464,275.97, 8,920,701.26 and 3,711,141.86 is: 5,121,376.00
Step by Step Solution
- Step 1: Write the proportion equation
6,464,275.97 : 8,920,701.26 = 3,711,141.86 : x - Step 2: Convert to fraction form
6,464,275.97/8,920,701.26 = 3,711,141.86/x - Step 3: Cross multiply
6,464,275.97x = 8,920,701.26 × 3,711,141.86 - Step 4: Simplify right side
6,464,275.97x = 33,105,987,803,381.53 - Step 5: Solve for x
x = 33,105,987,803,381.53/6,464,275.97 - Step 6: Final answer
x = 5,121,376.00
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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.