Finding the Fourth Proportional to 1,708,779.70, 2,563,558.35 and 998,442.10
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Solution
The fourth proportional to 1,708,779.70, 2,563,558.35 and 998,442.10 is: 1,497,890.33
Step by Step Solution
- Step 1: Write the proportion equation
1,708,779.70 : 2,563,558.35 = 998,442.10 : x - Step 2: Convert to fraction form
1,708,779.70/2,563,558.35 = 998,442.10/x - Step 3: Cross multiply
1,708,779.70x = 2,563,558.35 × 998,442.10 - Step 4: Simplify right side
1,708,779.70x = 2,559,564,582,446.54 - Step 5: Solve for x
x = 2,559,564,582,446.54/1,708,779.70 - Step 6: Final answer
x = 1,497,890.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.