Finding the Fourth Proportional to 1,418,985.98, 2,127,213.09 and 520,217.88
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Solution
The fourth proportional to 1,418,985.98, 2,127,213.09 and 520,217.88 is: 779,862.73
Step by Step Solution
- Step 1: Write the proportion equation
1,418,985.98 : 2,127,213.09 = 520,217.88 : x - Step 2: Convert to fraction form
1,418,985.98/2,127,213.09 = 520,217.88/x - Step 3: Cross multiply
1,418,985.98x = 2,127,213.09 × 520,217.88 - Step 4: Simplify right side
1,418,985.98x = 1,106,614,276,011 - Step 5: Solve for x
x = 1,106,614,276,011/1,418,985.98 - Step 6: Final answer
x = 779,862.73
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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.