Finding the Fourth Proportional to 5,724,746.20, 8,587,119.30 and 5,479,024.60
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Solution
The fourth proportional to 5,724,746.20, 8,587,119.30 and 5,479,024.60 is: 8,218,536.90
Step by Step Solution
- Step 1: Write the proportion equation
5,724,746.20 : 8,587,119.30 = 5,479,024.60 : x - Step 2: Convert to fraction form
5,724,746.20/8,587,119.30 = 5,479,024.60/x - Step 3: Cross multiply
5,724,746.20x = 8,587,119.30 × 5,479,024.60 - Step 4: Simplify right side
5,724,746.20x = 47,049,037,887,834.78 - Step 5: Solve for x
x = 47,049,037,887,834.78/5,724,746.20 - Step 6: Final answer
x = 8,218,536.90
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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.