Finding the Fourth Proportional to 2,758,707.96, 4,135,378.14 and 1,319,017.20
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Solution
The fourth proportional to 2,758,707.96, 4,135,378.14 and 1,319,017.20 is: 1,977,242.60
Step by Step Solution
- Step 1: Write the proportion equation
2,758,707.96 : 4,135,378.14 = 1,319,017.20 : x - Step 2: Convert to fraction form
2,758,707.96/4,135,378.14 = 1,319,017.20/x - Step 3: Cross multiply
2,758,707.96x = 4,135,378.14 × 1,319,017.20 - Step 4: Simplify right side
2,758,707.96x = 5,454,634,895,164.01 - Step 5: Solve for x
x = 5,454,634,895,164.01/2,758,707.96 - Step 6: Final answer
x = 1,977,242.60
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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.