Finding the Fourth Proportional to 1,974,560.63, 2,961,840.94 and 478,652.63
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Solution
The fourth proportional to 1,974,560.63, 2,961,840.94 and 478,652.63 is: 717,978.94
Step by Step Solution
- Step 1: Write the proportion equation
1,974,560.63 : 2,961,840.94 = 478,652.63 : x - Step 2: Convert to fraction form
1,974,560.63/2,961,840.94 = 478,652.63/x - Step 3: Cross multiply
1,974,560.63x = 2,961,840.94 × 478,652.63 - Step 4: Simplify right side
1,974,560.63x = 1,417,692,939,566.84 - Step 5: Solve for x
x = 1,417,692,939,566.84/1,974,560.63 - Step 6: Final answer
x = 717,978.94
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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.