Finding the Fourth Proportional to 6,564,740.70, 9,842,445.45 and 2,972,228.70
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Solution
The fourth proportional to 6,564,740.70, 9,842,445.45 and 2,972,228.70 is: 4,456,230.67
Step by Step Solution
- Step 1: Write the proportion equation
6,564,740.70 : 9,842,445.45 = 2,972,228.70 : x - Step 2: Convert to fraction form
6,564,740.70/9,842,445.45 = 2,972,228.70/x - Step 3: Cross multiply
6,564,740.70x = 9,842,445.45 × 2,972,228.70 - Step 4: Simplify right side
6,564,740.70x = 29,253,998,844,674.41 - Step 5: Solve for x
x = 29,253,998,844,674.41/6,564,740.70 - Step 6: Final answer
x = 4,456,230.67
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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.