Finding the Fourth Proportional to 4,977,332.20, 7,460,468.70 and 2,735,079.40
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Solution
The fourth proportional to 4,977,332.20, 7,460,468.70 and 2,735,079.40 is: 4,099,580.55
Step by Step Solution
- Step 1: Write the proportion equation
4,977,332.20 : 7,460,468.70 = 2,735,079.40 : x - Step 2: Convert to fraction form
4,977,332.20/7,460,468.70 = 2,735,079.40/x - Step 3: Cross multiply
4,977,332.20x = 7,460,468.70 × 2,735,079.40 - Step 4: Simplify right side
4,977,332.20x = 20,404,974,255,714.78 - Step 5: Solve for x
x = 20,404,974,255,714.78/4,977,332.20 - Step 6: Final answer
x = 4,099,580.55
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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.