Finding the Fourth Proportional to 2,110,763.84, 2,912,856.56 and 1,143,894.08
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Solution
The fourth proportional to 2,110,763.84, 2,912,856.56 and 1,143,894.08 is: 1,578,575.16
Step by Step Solution
- Step 1: Write the proportion equation
2,110,763.84 : 2,912,856.56 = 1,143,894.08 : x - Step 2: Convert to fraction form
2,110,763.84/2,912,856.56 = 1,143,894.08/x - Step 3: Cross multiply
2,110,763.84x = 2,912,856.56 × 1,143,894.08 - Step 4: Simplify right side
2,110,763.84x = 3,331,999,363,168.62 - Step 5: Solve for x
x = 3,331,999,363,168.62/2,110,763.84 - Step 6: Final answer
x = 1,578,575.16
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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.