Finding the Fourth Proportional to 1,803,826.73, 2,489,153.20 and 1,029,276.08
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Solution
The fourth proportional to 1,803,826.73, 2,489,153.20 and 1,029,276.08 is: 1,420,328.12
Step by Step Solution
- Step 1: Write the proportion equation
1,803,826.73 : 2,489,153.20 = 1,029,276.08 : x - Step 2: Convert to fraction form
1,803,826.73/2,489,153.20 = 1,029,276.08/x - Step 3: Cross multiply
1,803,826.73x = 2,489,153.20 × 1,029,276.08 - Step 4: Simplify right side
1,803,826.73x = 2,562,025,833,196.50 - Step 5: Solve for x
x = 2,562,025,833,196.50/1,803,826.73 - Step 6: Final answer
x = 1,420,328.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.