Finding the Fourth Proportional to 6,620,940, 9,873,470.70 and 6,560,403.84
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Solution
The fourth proportional to 6,620,940, 9,873,470.70 and 6,560,403.84 is: 9,783,196.21
Step by Step Solution
- Step 1: Write the proportion equation
6,620,940 : 9,873,470.70 = 6,560,403.84 : x - Step 2: Convert to fraction form
6,620,940/9,873,470.70 = 6,560,403.84/x - Step 3: Cross multiply
6,620,940x = 9,873,470.70 × 6,560,403.84 - Step 4: Simplify right side
6,620,940x = 64,773,955,094,407.48 - Step 5: Solve for x
x = 64,773,955,094,407.48/6,620,940 - Step 6: Final answer
x = 9,783,196.21
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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.