Finding the Fourth Proportional to 4,378,390.60, 6,567,585.90 and 1,184,009.80
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Solution
The fourth proportional to 4,378,390.60, 6,567,585.90 and 1,184,009.80 is: 1,776,014.70
Step by Step Solution
- Step 1: Write the proportion equation
4,378,390.60 : 6,567,585.90 = 1,184,009.80 : x - Step 2: Convert to fraction form
4,378,390.60/6,567,585.90 = 1,184,009.80/x - Step 3: Cross multiply
4,378,390.60x = 6,567,585.90 × 1,184,009.80 - Step 4: Simplify right side
4,378,390.60x = 7,776,086,067,941.82 - Step 5: Solve for x
x = 7,776,086,067,941.82/4,378,390.60 - Step 6: Final answer
x = 1,776,014.70
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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.