Finding the Fourth Proportional to 2,020,855, 2,788,780.14 and 1,115,437.24
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Solution
The fourth proportional to 2,020,855, 2,788,780.14 and 1,115,437.24 is: 1,539,303.52
Step by Step Solution
- Step 1: Write the proportion equation
2,020,855 : 2,788,780.14 = 1,115,437.24 : x - Step 2: Convert to fraction form
2,020,855/2,788,780.14 = 1,115,437.24/x - Step 3: Cross multiply
2,020,855x = 2,788,780.14 × 1,115,437.24 - Step 4: Simplify right side
2,020,855x = 3,110,709,222,328.41 - Step 5: Solve for x
x = 3,110,709,222,328.41/2,020,855 - Step 6: Final answer
x = 1,539,303.52
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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.