Finding the Fourth Proportional to 1,803,165.76, 2,488,258.68 and 987,379.12
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Solution
The fourth proportional to 1,803,165.76, 2,488,258.68 and 987,379.12 is: 1,362,522.91
Step by Step Solution
- Step 1: Write the proportion equation
1,803,165.76 : 2,488,258.68 = 987,379.12 : x - Step 2: Convert to fraction form
1,803,165.76/2,488,258.68 = 987,379.12/x - Step 3: Cross multiply
1,803,165.76x = 2,488,258.68 × 987,379.12 - Step 4: Simplify right side
1,803,165.76x = 2,456,854,665,790.76 - Step 5: Solve for x
x = 2,456,854,665,790.76/1,803,165.76 - Step 6: Final answer
x = 1,362,522.91
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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.