Finding the Fourth Proportional to 1,939,775.56, 2,676,972.98 and 1,080,335.81
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Solution
The fourth proportional to 1,939,775.56, 2,676,972.98 and 1,080,335.81 is: 1,490,909.48
Step by Step Solution
- Step 1: Write the proportion equation
1,939,775.56 : 2,676,972.98 = 1,080,335.81 : x - Step 2: Convert to fraction form
1,939,775.56/2,676,972.98 = 1,080,335.81/x - Step 3: Cross multiply
1,939,775.56x = 2,676,972.98 × 1,080,335.81 - Step 4: Simplify right side
1,939,775.56x = 2,892,029,772,696.41 - Step 5: Solve for x
x = 2,892,029,772,696.41/1,939,775.56 - Step 6: Final answer
x = 1,490,909.48
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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.