Finding the Fourth Proportional to 4,382,760.87, 6,574,141.35 and 1,187,887.05
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Solution
The fourth proportional to 4,382,760.87, 6,574,141.35 and 1,187,887.05 is: 1,781,830.59
Step by Step Solution
- Step 1: Write the proportion equation
4,382,760.87 : 6,574,141.35 = 1,187,887.05 : x - Step 2: Convert to fraction form
4,382,760.87/6,574,141.35 = 1,187,887.05/x - Step 3: Cross multiply
4,382,760.87x = 6,574,141.35 × 1,187,887.05 - Step 4: Simplify right side
4,382,760.87x = 7,809,337,374,534.52 - Step 5: Solve for x
x = 7,809,337,374,534.52/4,382,760.87 - Step 6: Final answer
x = 1,781,830.59
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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.