Finding the Fourth Proportional to 1,887,878.70, 2,832,228.11 and 689,799.11
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Solution
The fourth proportional to 1,887,878.70, 2,832,228.11 and 689,799.11 is: 1,034,848.49
Step by Step Solution
- Step 1: Write the proportion equation
1,887,878.70 : 2,832,228.11 = 689,799.11 : x - Step 2: Convert to fraction form
1,887,878.70/2,832,228.11 = 689,799.11/x - Step 3: Cross multiply
1,887,878.70x = 2,832,228.11 × 689,799.11 - Step 4: Simplify right side
1,887,878.70x = 1,953,668,417,158.34 - Step 5: Solve for x
x = 1,953,668,417,158.34/1,887,878.70 - Step 6: Final answer
x = 1,034,848.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.