Finding the Fourth Proportional to 1,410,681.36, 1,945,423.80 and 1,087,873.68
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Solution
The fourth proportional to 1,410,681.36, 1,945,423.80 and 1,087,873.68 is: 1,500,250.45
Step by Step Solution
- Step 1: Write the proportion equation
1,410,681.36 : 1,945,423.80 = 1,087,873.68 : x - Step 2: Convert to fraction form
1,410,681.36/1,945,423.80 = 1,087,873.68/x - Step 3: Cross multiply
1,410,681.36x = 1,945,423.80 × 1,087,873.68 - Step 4: Simplify right side
1,410,681.36x = 2,116,375,348,465.58 - Step 5: Solve for x
x = 2,116,375,348,465.58/1,410,681.36 - Step 6: Final answer
x = 1,500,250.45
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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.