Finding the Fourth Proportional to 2,086,858.42, 3,130,554.93 and 647,637.46
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Solution
The fourth proportional to 2,086,858.42, 3,130,554.93 and 647,637.46 is: 971,539.14
Step by Step Solution
- Step 1: Write the proportion equation
2,086,858.42 : 3,130,554.93 = 647,637.46 : x - Step 2: Convert to fraction form
2,086,858.42/3,130,554.93 = 647,637.46/x - Step 3: Cross multiply
2,086,858.42x = 3,130,554.93 × 647,637.46 - Step 4: Simplify right side
2,086,858.42x = 2,027,464,643,255.68 - Step 5: Solve for x
x = 2,027,464,643,255.68/2,086,858.42 - Step 6: Final answer
x = 971,539.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.