Finding the Fourth Proportional to 6,435,370.80, 9,653,056.20 and 2,651,569.20
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Solution
The fourth proportional to 6,435,370.80, 9,653,056.20 and 2,651,569.20 is: 3,977,353.80
Step by Step Solution
- Step 1: Write the proportion equation
6,435,370.80 : 9,653,056.20 = 2,651,569.20 : x - Step 2: Convert to fraction form
6,435,370.80/9,653,056.20 = 2,651,569.20/x - Step 3: Cross multiply
6,435,370.80x = 9,653,056.20 × 2,651,569.20 - Step 4: Simplify right side
6,435,370.80x = 25,595,746,505,789.04 - Step 5: Solve for x
x = 25,595,746,505,789.04/6,435,370.80 - Step 6: Final answer
x = 3,977,353.80
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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.