Finding the Fourth Proportional to 4,429,648.20, 6,647,582.70 and 1,907,113.80
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Solution
The fourth proportional to 4,429,648.20, 6,647,582.70 and 1,907,113.80 is: 2,862,009.83
Step by Step Solution
- Step 1: Write the proportion equation
4,429,648.20 : 6,647,582.70 = 1,907,113.80 : x - Step 2: Convert to fraction form
4,429,648.20/6,647,582.70 = 1,907,113.80/x - Step 3: Cross multiply
4,429,648.20x = 6,647,582.70 × 1,907,113.80 - Step 4: Simplify right side
4,429,648.20x = 12,677,696,703,811.26 - Step 5: Solve for x
x = 12,677,696,703,811.26/4,429,648.20 - Step 6: Final answer
x = 2,862,009.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.