Finding the Fourth Proportional to 1,918,337.58, 2,877,437.97 and 479,029.02
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Solution
The fourth proportional to 1,918,337.58, 2,877,437.97 and 479,029.02 is: 718,526.45
Step by Step Solution
- Step 1: Write the proportion equation
1,918,337.58 : 2,877,437.97 = 479,029.02 : x - Step 2: Convert to fraction form
1,918,337.58/2,877,437.97 = 479,029.02/x - Step 3: Cross multiply
1,918,337.58x = 2,877,437.97 × 479,029.02 - Step 4: Simplify right side
1,918,337.58x = 1,378,376,290,879.89 - Step 5: Solve for x
x = 1,378,376,290,879.89/1,918,337.58 - Step 6: Final answer
x = 718,526.45
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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.