Finding the Fourth Proportional to 4,575,421.24, 6,863,132.10 and 1,209,628.60
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Solution
The fourth proportional to 4,575,421.24, 6,863,132.10 and 1,209,628.60 is: 1,814,442.96
Step by Step Solution
- Step 1: Write the proportion equation
4,575,421.24 : 6,863,132.10 = 1,209,628.60 : x - Step 2: Convert to fraction form
4,575,421.24/6,863,132.10 = 1,209,628.60/x - Step 3: Cross multiply
4,575,421.24x = 6,863,132.10 × 1,209,628.60 - Step 4: Simplify right side
4,575,421.24x = 8,301,840,873,738.06 - Step 5: Solve for x
x = 8,301,840,873,738.06/4,575,421.24 - Step 6: Final answer
x = 1,814,442.96
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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.