Finding the Fourth Proportional to 2,977,720.50, 4,464,620.65 and 1,963,750.75
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Solution
The fourth proportional to 2,977,720.50, 4,464,620.65 and 1,963,750.75 is: 2,944,333.48
Step by Step Solution
- Step 1: Write the proportion equation
2,977,720.50 : 4,464,620.65 = 1,963,750.75 : x - Step 2: Convert to fraction form
2,977,720.50/4,464,620.65 = 1,963,750.75/x - Step 3: Cross multiply
2,977,720.50x = 4,464,620.65 × 1,963,750.75 - Step 4: Simplify right side
2,977,720.50x = 8,767,402,149,902.99 - Step 5: Solve for x
x = 8,767,402,149,902.99/2,977,720.50 - Step 6: Final answer
x = 2,944,333.48
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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.