Finding the Fourth Proportional to 7,320,556.35, 10,102,740.08 and 4,221,927.63
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Solution
The fourth proportional to 7,320,556.35, 10,102,740.08 and 4,221,927.63 is: 5,826,474.85
Step by Step Solution
- Step 1: Write the proportion equation
7,320,556.35 : 10,102,740.08 = 4,221,927.63 : x - Step 2: Convert to fraction form
7,320,556.35/10,102,740.08 = 4,221,927.63/x - Step 3: Cross multiply
7,320,556.35x = 10,102,740.08 × 4,221,927.63 - Step 4: Simplify right side
7,320,556.35x = 42,653,037,461,350.77 - Step 5: Solve for x
x = 42,653,037,461,350.77/7,320,556.35 - Step 6: Final answer
x = 5,826,474.85
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1.5x scale
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.