Finding the Fourth Proportional to 7,312,774.05, 10,963,176.18 and 2,761,240.20
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Solution
The fourth proportional to 7,312,774.05, 10,963,176.18 and 2,761,240.20 is: 4,139,600.46
Step by Step Solution
- Step 1: Write the proportion equation
7,312,774.05 : 10,963,176.18 = 2,761,240.20 : x - Step 2: Convert to fraction form
7,312,774.05/10,963,176.18 = 2,761,240.20/x - Step 3: Cross multiply
7,312,774.05x = 10,963,176.18 × 2,761,240.20 - Step 4: Simplify right side
7,312,774.05x = 30,271,962,787,898.44 - Step 5: Solve for x
x = 30,271,962,787,898.44/7,312,774.05 - Step 6: Final answer
x = 4,139,600.46
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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.