Finding the Fourth Proportional to 4,689,415.84, 7,030,449.07 and 1,851,652.12
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Solution
The fourth proportional to 4,689,415.84, 7,030,449.07 and 1,851,652.12 is: 2,776,027.20
Step by Step Solution
- Step 1: Write the proportion equation
4,689,415.84 : 7,030,449.07 = 1,851,652.12 : x - Step 2: Convert to fraction form
4,689,415.84/7,030,449.07 = 1,851,652.12/x - Step 3: Cross multiply
4,689,415.84x = 7,030,449.07 × 1,851,652.12 - Step 4: Simplify right side
4,689,415.84x = 13,017,945,925,017.53 - Step 5: Solve for x
x = 13,017,945,925,017.53/4,689,415.84 - Step 6: Final answer
x = 2,776,027.20
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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.