Finding the Fourth Proportional to 2,782,117.60, 4,182,507.60 and 2,371,544.80
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Solution
The fourth proportional to 2,782,117.60, 4,182,507.60 and 2,371,544.80 is: 3,565,271.34
Step by Step Solution
- Step 1: Write the proportion equation
2,782,117.60 : 4,182,507.60 = 2,371,544.80 : x - Step 2: Convert to fraction form
2,782,117.60/4,182,507.60 = 2,371,544.80/x - Step 3: Cross multiply
2,782,117.60x = 4,182,507.60 × 2,371,544.80 - Step 4: Simplify right side
2,782,117.60x = 9,919,004,149,740.48 - Step 5: Solve for x
x = 9,919,004,149,740.48/2,782,117.60 - Step 6: Final answer
x = 3,565,271.34
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1.5x scale
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.