Finding the Fourth Proportional to 5,749,756.84, 8,630,244.51 and 4,749,073.12
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Solution
The fourth proportional to 5,749,756.84, 8,630,244.51 and 4,749,073.12 is: 7,128,242.70
Step by Step Solution
- Step 1: Write the proportion equation
5,749,756.84 : 8,630,244.51 = 4,749,073.12 : x - Step 2: Convert to fraction form
5,749,756.84/8,630,244.51 = 4,749,073.12/x - Step 3: Cross multiply
5,749,756.84x = 8,630,244.51 × 4,749,073.12 - Step 4: Simplify right side
5,749,756.84x = 40,985,662,221,468.57 - Step 5: Solve for x
x = 40,985,662,221,468.57/5,749,756.84 - Step 6: Final answer
x = 7,128,242.70
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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.