Finding the Fourth Proportional to 1,658,289.84, 2,488,774.92 and 859,799.76
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Solution
The fourth proportional to 1,658,289.84, 2,488,774.92 and 859,799.76 is: 1,290,394.49
Step by Step Solution
- Step 1: Write the proportion equation
1,658,289.84 : 2,488,774.92 = 859,799.76 : x - Step 2: Convert to fraction form
1,658,289.84/2,488,774.92 = 859,799.76/x - Step 3: Cross multiply
1,658,289.84x = 2,488,774.92 × 859,799.76 - Step 4: Simplify right side
1,658,289.84x = 2,139,848,078,910.02 - Step 5: Solve for x
x = 2,139,848,078,910.02/1,658,289.84 - Step 6: Final answer
x = 1,290,394.49
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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.