Finding the Fourth Proportional to 1,430,165.06, 2,145,214.47 and 720,002.42
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Solution
The fourth proportional to 1,430,165.06, 2,145,214.47 and 720,002.42 is: 1,079,986.96
Step by Step Solution
- Step 1: Write the proportion equation
1,430,165.06 : 2,145,214.47 = 720,002.42 : x - Step 2: Convert to fraction form
1,430,165.06/2,145,214.47 = 720,002.42/x - Step 3: Cross multiply
1,430,165.06x = 2,145,214.47 × 720,002.42 - Step 4: Simplify right side
1,430,165.06x = 1,544,559,609,819.02 - Step 5: Solve for x
x = 1,544,559,609,819.02/1,430,165.06 - Step 6: Final answer
x = 1,079,986.96
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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.