Finding the Fourth Proportional to 1,530,664.74, 2,111,610.58 and 986,975.18
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Solution
The fourth proportional to 1,530,664.74, 2,111,610.58 and 986,975.18 is: 1,361,570.02
Step by Step Solution
- Step 1: Write the proportion equation
1,530,664.74 : 2,111,610.58 = 986,975.18 : x - Step 2: Convert to fraction form
1,530,664.74/2,111,610.58 = 986,975.18/x - Step 3: Cross multiply
1,530,664.74x = 2,111,610.58 × 986,975.18 - Step 4: Simplify right side
1,530,664.74x = 2,084,107,221,727.35 - Step 5: Solve for x
x = 2,084,107,221,727.35/1,530,664.74 - Step 6: Final answer
x = 1,361,570.02
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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.