Finding the Fourth Proportional to 2,937,808.76, 4,406,205.26 and 778,848.12
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Solution
The fourth proportional to 2,937,808.76, 4,406,205.26 and 778,848.12 is: 1,168,137.54
Step by Step Solution
- Step 1: Write the proportion equation
2,937,808.76 : 4,406,205.26 = 778,848.12 : x - Step 2: Convert to fraction form
2,937,808.76/4,406,205.26 = 778,848.12/x - Step 3: Cross multiply
2,937,808.76x = 4,406,205.26 × 778,848.12 - Step 4: Simplify right side
2,937,808.76x = 3,431,764,685,032.23 - Step 5: Solve for x
x = 3,431,764,685,032.23/2,937,808.76 - Step 6: Final answer
x = 1,168,137.54
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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.