Finding the Fourth Proportional to 1,489,166.16, 2,233,720.44 and 424,215.12
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Solution
The fourth proportional to 1,489,166.16, 2,233,720.44 and 424,215.12 is: 636,314.48
Step by Step Solution
- Step 1: Write the proportion equation
1,489,166.16 : 2,233,720.44 = 424,215.12 : x - Step 2: Convert to fraction form
1,489,166.16/2,233,720.44 = 424,215.12/x - Step 3: Cross multiply
1,489,166.16x = 2,233,720.44 × 424,215.12 - Step 4: Simplify right side
1,489,166.16x = 947,577,984,501.05 - Step 5: Solve for x
x = 947,577,984,501.05/1,489,166.16 - Step 6: Final answer
x = 636,314.48
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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.