Finding the Fourth Proportional to 5,235,023.16, 7,852,534.74 and 1,640,808.95
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Solution
The fourth proportional to 5,235,023.16, 7,852,534.74 and 1,640,808.95 is: 2,461,213.42
Step by Step Solution
- Step 1: Write the proportion equation
5,235,023.16 : 7,852,534.74 = 1,640,808.95 : x - Step 2: Convert to fraction form
5,235,023.16/7,852,534.74 = 1,640,808.95/x - Step 3: Cross multiply
5,235,023.16x = 7,852,534.74 × 1,640,808.95 - Step 4: Simplify right side
5,235,023.16x = 12,884,509,242,315.25 - Step 5: Solve for x
x = 12,884,509,242,315.25/5,235,023.16 - Step 6: Final answer
x = 2,461,213.42
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1.5x scale
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.