Finding the Fourth Proportional to 1,518,317.02, 2,095,277.16 and 829,991.76
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Solution
The fourth proportional to 1,518,317.02, 2,095,277.16 and 829,991.76 is: 1,145,388.45
Step by Step Solution
- Step 1: Write the proportion equation
1,518,317.02 : 2,095,277.16 = 829,991.76 : x - Step 2: Convert to fraction form
1,518,317.02/2,095,277.16 = 829,991.76/x - Step 3: Cross multiply
1,518,317.02x = 2,095,277.16 × 829,991.76 - Step 4: Simplify right side
1,518,317.02x = 1,739,062,777,716.20 - Step 5: Solve for x
x = 1,739,062,777,716.20/1,518,317.02 - Step 6: Final answer
x = 1,145,388.45
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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.