Finding the Fourth Proportional to 7,976,525.66, 11,962,278.89 and 2,583,924.94
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Solution
The fourth proportional to 7,976,525.66, 11,962,278.89 and 2,583,924.94 is: 3,875,074.45
Step by Step Solution
- Step 1: Write the proportion equation
7,976,525.66 : 11,962,278.89 = 2,583,924.94 : x - Step 2: Convert to fraction form
7,976,525.66/11,962,278.89 = 2,583,924.94/x - Step 3: Cross multiply
7,976,525.66x = 11,962,278.89 × 2,583,924.94 - Step 4: Simplify right side
7,976,525.66x = 30,909,630,774,829.46 - Step 5: Solve for x
x = 30,909,630,774,829.46/7,976,525.66 - Step 6: Final answer
x = 3,875,074.45
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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.