Finding the Fourth Proportional to 7,020,779.40, 10,528,058.70 and 3,235,422.60
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Solution
The fourth proportional to 7,020,779.40, 10,528,058.70 and 3,235,422.60 is: 4,851,700.52
Step by Step Solution
- Step 1: Write the proportion equation
7,020,779.40 : 10,528,058.70 = 3,235,422.60 : x - Step 2: Convert to fraction form
7,020,779.40/10,528,058.70 = 3,235,422.60/x - Step 3: Cross multiply
7,020,779.40x = 10,528,058.70 × 3,235,422.60 - Step 4: Simplify right side
7,020,779.40x = 34,062,719,052,106.62 - Step 5: Solve for x
x = 34,062,719,052,106.62/7,020,779.40 - Step 6: Final answer
x = 4,851,700.52
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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.