Finding the Fourth Proportional to 1,803,684.21, 2,489,124.43 and 1,029,299.60
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Solution
The fourth proportional to 1,803,684.21, 2,489,124.43 and 1,029,299.60 is: 1,420,456.41
Step by Step Solution
- Step 1: Write the proportion equation
1,803,684.21 : 2,489,124.43 = 1,029,299.60 : x - Step 2: Convert to fraction form
1,803,684.21/2,489,124.43 = 1,029,299.60/x - Step 3: Cross multiply
1,803,684.21x = 2,489,124.43 × 1,029,299.60 - Step 4: Simplify right side
1,803,684.21x = 2,562,054,787,658.66 - Step 5: Solve for x
x = 2,562,054,787,658.66/1,803,684.21 - Step 6: Final answer
x = 1,420,456.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.