Finding the Fourth Proportional to 1,800,261.42, 2,484,403.98 and 1,025,875.70
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Solution
The fourth proportional to 1,800,261.42, 2,484,403.98 and 1,025,875.70 is: 1,415,733.09
Step by Step Solution
- Step 1: Write the proportion equation
1,800,261.42 : 2,484,403.98 = 1,025,875.70 : x - Step 2: Convert to fraction form
1,800,261.42/2,484,403.98 = 1,025,875.70/x - Step 3: Cross multiply
1,800,261.42x = 2,484,403.98 × 1,025,875.70 - Step 4: Simplify right side
1,800,261.42x = 2,548,689,659,643.27 - Step 5: Solve for x
x = 2,548,689,659,643.27/1,800,261.42 - Step 6: Final answer
x = 1,415,733.09
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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.