Finding the Fourth Proportional to 1,868,318.61, 2,577,746.27 and 1,052,236.86
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Solution
The fourth proportional to 1,868,318.61, 2,577,746.27 and 1,052,236.86 is: 1,451,786.45
Step by Step Solution
- Step 1: Write the proportion equation
1,868,318.61 : 2,577,746.27 = 1,052,236.86 : x - Step 2: Convert to fraction form
1,868,318.61/2,577,746.27 = 1,052,236.86/x - Step 3: Cross multiply
1,868,318.61x = 2,577,746.27 × 1,052,236.86 - Step 4: Simplify right side
1,868,318.61x = 2,712,399,643,652.10 - Step 5: Solve for x
x = 2,712,399,643,652.10/1,868,318.61 - Step 6: Final answer
x = 1,451,786.45
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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.