Finding the Fourth Proportional to 1,580,396.58, 2,180,809.58 and 927,154.26
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Solution
The fourth proportional to 1,580,396.58, 2,180,809.58 and 927,154.26 is: 1,279,392.09
Step by Step Solution
- Step 1: Write the proportion equation
1,580,396.58 : 2,180,809.58 = 927,154.26 : x - Step 2: Convert to fraction form
1,580,396.58/2,180,809.58 = 927,154.26/x - Step 3: Cross multiply
1,580,396.58x = 2,180,809.58 × 927,154.26 - Step 4: Simplify right side
1,580,396.58x = 2,021,946,887,710.04 - Step 5: Solve for x
x = 2,021,946,887,710.04/1,580,396.58 - Step 6: Final answer
x = 1,279,392.09
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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.