Finding the Fourth Proportional to 1,515,525.42, 2,091,425.10 and 1,032,933.63
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Solution
The fourth proportional to 1,515,525.42, 2,091,425.10 and 1,032,933.63 is: 1,425,448.42
Step by Step Solution
- Step 1: Write the proportion equation
1,515,525.42 : 2,091,425.10 = 1,032,933.63 : x - Step 2: Convert to fraction form
1,515,525.42/2,091,425.10 = 1,032,933.63/x - Step 3: Cross multiply
1,515,525.42x = 2,091,425.10 × 1,032,933.63 - Step 4: Simplify right side
1,515,525.42x = 2,160,303,320,416.11 - Step 5: Solve for x
x = 2,160,303,320,416.11/1,515,525.42 - Step 6: Final answer
x = 1,425,448.42
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1.5x scale
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.