Finding the Fourth Proportional to 1,588,071.74, 2,191,534.23 and 862,921.67
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Solution
The fourth proportional to 1,588,071.74, 2,191,534.23 and 862,921.67 is: 1,190,829.31
Step by Step Solution
- Step 1: Write the proportion equation
1,588,071.74 : 2,191,534.23 = 862,921.67 : x - Step 2: Convert to fraction form
1,588,071.74/2,191,534.23 = 862,921.67/x - Step 3: Cross multiply
1,588,071.74x = 2,191,534.23 × 862,921.67 - Step 4: Simplify right side
1,588,071.74x = 1,891,122,373,526.03 - Step 5: Solve for x
x = 1,891,122,373,526.03/1,588,071.74 - Step 6: Final answer
x = 1,190,829.31
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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.