Finding the Fourth Proportional to 3,315,312.54, 4,574,810.61 and 1,865,509.74
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Solution
The fourth proportional to 3,315,312.54, 4,574,810.61 and 1,865,509.74 is: 2,574,222.99
Step by Step Solution
- Step 1: Write the proportion equation
3,315,312.54 : 4,574,810.61 = 1,865,509.74 : x - Step 2: Convert to fraction form
3,315,312.54/4,574,810.61 = 1,865,509.74/x - Step 3: Cross multiply
3,315,312.54x = 4,574,810.61 × 1,865,509.74 - Step 4: Simplify right side
3,315,312.54x = 8,534,353,751,610.34 - Step 5: Solve for x
x = 8,534,353,751,610.34/3,315,312.54 - Step 6: Final answer
x = 2,574,222.99
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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.