Finding the Fourth Proportional to 1,583,455.94, 2,185,110.65 and 858,288.09
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Solution
The fourth proportional to 1,583,455.94, 2,185,110.65 and 858,288.09 is: 1,184,405.83
Step by Step Solution
- Step 1: Write the proportion equation
1,583,455.94 : 2,185,110.65 = 858,288.09 : x - Step 2: Convert to fraction form
1,583,455.94/2,185,110.65 = 858,288.09/x - Step 3: Cross multiply
1,583,455.94x = 2,185,110.65 × 858,288.09 - Step 4: Simplify right side
1,583,455.94x = 1,875,454,444,275.80 - Step 5: Solve for x
x = 1,875,454,444,275.80/1,583,455.94 - Step 6: Final answer
x = 1,184,405.83
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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.