Finding the Fourth Proportional to 2,798,584.40, 4,197,900.09 and 776,985.95
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Solution
The fourth proportional to 2,798,584.40, 4,197,900.09 and 776,985.95 is: 1,165,485.45
Step by Step Solution
- Step 1: Write the proportion equation
2,798,584.40 : 4,197,900.09 = 776,985.95 : x - Step 2: Convert to fraction form
2,798,584.40/4,197,900.09 = 776,985.95/x - Step 3: Cross multiply
2,798,584.40x = 4,197,900.09 × 776,985.95 - Step 4: Simplify right side
2,798,584.40x = 3,261,709,402,842.18 - Step 5: Solve for x
x = 3,261,709,402,842.18/2,798,584.40 - Step 6: Final answer
x = 1,165,485.45
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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.