Finding the Fourth Proportional to 1,803,620.04, 2,489,040.30 and 987,858.12
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Solution
The fourth proportional to 1,803,620.04, 2,489,040.30 and 987,858.12 is: 1,363,268.66
Step by Step Solution
- Step 1: Write the proportion equation
1,803,620.04 : 2,489,040.30 = 987,858.12 : x - Step 2: Convert to fraction form
1,803,620.04/2,489,040.30 = 987,858.12/x - Step 3: Cross multiply
1,803,620.04x = 2,489,040.30 × 987,858.12 - Step 4: Simplify right side
1,803,620.04x = 2,458,818,671,362.24 - Step 5: Solve for x
x = 2,458,818,671,362.24/1,803,620.04 - Step 6: Final answer
x = 1,363,268.66
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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.