Finding the Fourth Proportional to 7,860,671.34, 10,847,938.41 and 4,423,034.58
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Solution
The fourth proportional to 7,860,671.34, 10,847,938.41 and 4,423,034.58 is: 6,103,906.99
Step by Step Solution
- Step 1: Write the proportion equation
7,860,671.34 : 10,847,938.41 = 4,423,034.58 : x - Step 2: Convert to fraction form
7,860,671.34/10,847,938.41 = 4,423,034.58/x - Step 3: Cross multiply
7,860,671.34x = 10,847,938.41 × 4,423,034.58 - Step 4: Simplify right side
7,860,671.34x = 47,980,806,709,140.22 - Step 5: Solve for x
x = 47,980,806,709,140.22/7,860,671.34 - Step 6: Final answer
x = 6,103,906.99
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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.