Finding the Fourth Proportional to 1,376,276.08, 1,898,494.98 and 1,278,853.43
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Solution
The fourth proportional to 1,376,276.08, 1,898,494.98 and 1,278,853.43 is: 1,764,105.95
Step by Step Solution
- Step 1: Write the proportion equation
1,376,276.08 : 1,898,494.98 = 1,278,853.43 : x - Step 2: Convert to fraction form
1,376,276.08/1,898,494.98 = 1,278,853.43/x - Step 3: Cross multiply
1,376,276.08x = 1,898,494.98 × 1,278,853.43 - Step 4: Simplify right side
1,376,276.08x = 2,427,896,817,010.78 - Step 5: Solve for x
x = 2,427,896,817,010.78/1,376,276.08 - Step 6: Final answer
x = 1,764,105.95
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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.