Finding the Fourth Proportional to 1,650,988.48, 2,277,525.72 and 1,078,363.84
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Solution
The fourth proportional to 1,650,988.48, 2,277,525.72 and 1,078,363.84 is: 1,487,594.50
Step by Step Solution
- Step 1: Write the proportion equation
1,650,988.48 : 2,277,525.72 = 1,078,363.84 : x - Step 2: Convert to fraction form
1,650,988.48/2,277,525.72 = 1,078,363.84/x - Step 3: Cross multiply
1,650,988.48x = 2,277,525.72 × 1,078,363.84 - Step 4: Simplify right side
1,650,988.48x = 2,456,001,381,117.97 - Step 5: Solve for x
x = 2,456,001,381,117.97/1,650,988.48 - Step 6: Final answer
x = 1,487,594.50
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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.