Finding the Fourth Proportional to 1,560,369.96, 2,153,285.10 and 872,051.40
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Solution
The fourth proportional to 1,560,369.96, 2,153,285.10 and 872,051.40 is: 1,203,416.71
Step by Step Solution
- Step 1: Write the proportion equation
1,560,369.96 : 2,153,285.10 = 872,051.40 : x - Step 2: Convert to fraction form
1,560,369.96/2,153,285.10 = 872,051.40/x - Step 3: Cross multiply
1,560,369.96x = 2,153,285.10 × 872,051.40 - Step 4: Simplify right side
1,560,369.96x = 1,877,775,286,054.14 - Step 5: Solve for x
x = 1,877,775,286,054.14/1,560,369.96 - Step 6: Final answer
x = 1,203,416.71
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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.