Finding the Fourth Proportional to 1,742,949.36, 2,405,271.51 and 979,003.53
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Solution
The fourth proportional to 1,742,949.36, 2,405,271.51 and 979,003.53 is: 1,351,025.65
Step by Step Solution
- Step 1: Write the proportion equation
1,742,949.36 : 2,405,271.51 = 979,003.53 : x - Step 2: Convert to fraction form
1,742,949.36/2,405,271.51 = 979,003.53/x - Step 3: Cross multiply
1,742,949.36x = 2,405,271.51 × 979,003.53 - Step 4: Simplify right side
1,742,949.36x = 2,354,769,298,898.43 - Step 5: Solve for x
x = 2,354,769,298,898.43/1,742,949.36 - Step 6: Final answer
x = 1,351,025.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.