Finding the Fourth Proportional to 1,858,261.98, 2,787,387.58 and 510,425.88
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Solution
The fourth proportional to 1,858,261.98, 2,787,387.58 and 510,425.88 is: 765,637.34
Step by Step Solution
- Step 1: Write the proportion equation
1,858,261.98 : 2,787,387.58 = 510,425.88 : x - Step 2: Convert to fraction form
1,858,261.98/2,787,387.58 = 510,425.88/x - Step 3: Cross multiply
1,858,261.98x = 2,787,387.58 × 510,425.88 - Step 4: Simplify right side
1,858,261.98x = 1,422,754,758,962.14 - Step 5: Solve for x
x = 1,422,754,758,962.14/1,858,261.98 - Step 6: Final answer
x = 765,637.34
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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.