Finding the Fourth Proportional to 1,636,856.08, 2,258,974.97 and 992,303.44
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Solution
The fourth proportional to 1,636,856.08, 2,258,974.97 and 992,303.44 is: 1,369,447.60
Step by Step Solution
- Step 1: Write the proportion equation
1,636,856.08 : 2,258,974.97 = 992,303.44 : x - Step 2: Convert to fraction form
1,636,856.08/2,258,974.97 = 992,303.44/x - Step 3: Cross multiply
1,636,856.08x = 2,258,974.97 × 992,303.44 - Step 4: Simplify right side
1,636,856.08x = 2,241,588,633,604.90 - Step 5: Solve for x
x = 2,241,588,633,604.90/1,636,856.08 - Step 6: Final answer
x = 1,369,447.60
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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.