Finding the Fourth Proportional to 2,079,132.44, 2,869,226.70 and 1,219,707.32
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Solution
The fourth proportional to 2,079,132.44, 2,869,226.70 and 1,219,707.32 is: 1,683,210.14
Step by Step Solution
- Step 1: Write the proportion equation
2,079,132.44 : 2,869,226.70 = 1,219,707.32 : x - Step 2: Convert to fraction form
2,079,132.44/2,869,226.70 = 1,219,707.32/x - Step 3: Cross multiply
2,079,132.44x = 2,869,226.70 × 1,219,707.32 - Step 4: Simplify right side
2,079,132.44x = 3,499,616,808,729.44 - Step 5: Solve for x
x = 3,499,616,808,729.44/2,079,132.44 - Step 6: Final answer
x = 1,683,210.14
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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.