Finding the Fourth Proportional to 5,739,652.62, 7,920,421.62 and 3,564,149.22
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Solution
The fourth proportional to 5,739,652.62, 7,920,421.62 and 3,564,149.22 is: 4,918,340.26
Step by Step Solution
- Step 1: Write the proportion equation
5,739,652.62 : 7,920,421.62 = 3,564,149.22 : x - Step 2: Convert to fraction form
5,739,652.62/7,920,421.62 = 3,564,149.22/x - Step 3: Cross multiply
5,739,652.62x = 7,920,421.62 × 3,564,149.22 - Step 4: Simplify right side
5,739,652.62x = 28,229,564,538,994.14 - Step 5: Solve for x
x = 28,229,564,538,994.14/5,739,652.62 - Step 6: Final answer
x = 4,918,340.26
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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.