Finding the Fourth Proportional to 1,487,538.20, 2,229,998.64 and 589,610.20
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Solution
The fourth proportional to 1,487,538.20, 2,229,998.64 and 589,610.20 is: 883,896.59
Step by Step Solution
- Step 1: Write the proportion equation
1,487,538.20 : 2,229,998.64 = 589,610.20 : x - Step 2: Convert to fraction form
1,487,538.20/2,229,998.64 = 589,610.20/x - Step 3: Cross multiply
1,487,538.20x = 2,229,998.64 × 589,610.20 - Step 4: Simplify right side
1,487,538.20x = 1,314,829,944,130.13 - Step 5: Solve for x
x = 1,314,829,944,130.13/1,487,538.20 - Step 6: Final answer
x = 883,896.59
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1.5x scale
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.