Finding the Fourth Proportional to 2,657,497.80, 3,986,246.70 and 1,948,909.80
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Solution
The fourth proportional to 2,657,497.80, 3,986,246.70 and 1,948,909.80 is: 2,923,364.70
Step by Step Solution
- Step 1: Write the proportion equation
2,657,497.80 : 3,986,246.70 = 1,948,909.80 : x - Step 2: Convert to fraction form
2,657,497.80/3,986,246.70 = 1,948,909.80/x - Step 3: Cross multiply
2,657,497.80x = 3,986,246.70 × 1,948,909.80 - Step 4: Simplify right side
2,657,497.80x = 7,768,835,258,847.66 - Step 5: Solve for x
x = 7,768,835,258,847.66/2,657,497.80 - Step 6: Final answer
x = 2,923,364.70
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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.