Finding the Fourth Proportional to 2,762,860.60, 3,812,690.04 and 1,539,164.44
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Solution
The fourth proportional to 2,762,860.60, 3,812,690.04 and 1,539,164.44 is: 2,124,014.85
Step by Step Solution
- Step 1: Write the proportion equation
2,762,860.60 : 3,812,690.04 = 1,539,164.44 : x - Step 2: Convert to fraction form
2,762,860.60/3,812,690.04 = 1,539,164.44/x - Step 3: Cross multiply
2,762,860.60x = 3,812,690.04 × 1,539,164.44 - Step 4: Simplify right side
2,762,860.60x = 5,868,356,930,310.18 - Step 5: Solve for x
x = 5,868,356,930,310.18/2,762,860.60 - Step 6: Final answer
x = 2,124,014.85
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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.