Finding the Fourth Proportional to 1,803,724.10, 2,489,179.58 and 1,029,339.53
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Solution
The fourth proportional to 1,803,724.10, 2,489,179.58 and 1,029,339.53 is: 1,420,511.56
Step by Step Solution
- Step 1: Write the proportion equation
1,803,724.10 : 2,489,179.58 = 1,029,339.53 : x - Step 2: Convert to fraction form
1,803,724.10/2,489,179.58 = 1,029,339.53/x - Step 3: Cross multiply
1,803,724.10x = 2,489,179.58 × 1,029,339.53 - Step 4: Simplify right side
1,803,724.10x = 2,562,210,921,370.20 - Step 5: Solve for x
x = 2,562,210,921,370.20/1,803,724.10 - Step 6: Final answer
x = 1,420,511.56
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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.