Finding the Fourth Proportional to 1,587,107.53, 2,190,343.47 and 898,901.82
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Solution
The fourth proportional to 1,587,107.53, 2,190,343.47 and 898,901.82 is: 1,240,561.01
Step by Step Solution
- Step 1: Write the proportion equation
1,587,107.53 : 2,190,343.47 = 898,901.82 : x - Step 2: Convert to fraction form
1,587,107.53/2,190,343.47 = 898,901.82/x - Step 3: Cross multiply
1,587,107.53x = 2,190,343.47 × 898,901.82 - Step 4: Simplify right side
1,587,107.53x = 1,968,903,720,656.40 - Step 5: Solve for x
x = 1,968,903,720,656.40/1,587,107.53 - Step 6: Final answer
x = 1,240,561.01
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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.