Finding the Fourth Proportional to 2,121,142.60, 2,927,237.84 and 1,154,334.14
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Solution
The fourth proportional to 2,121,142.60, 2,927,237.84 and 1,154,334.14 is: 1,593,014.34
Step by Step Solution
- Step 1: Write the proportion equation
2,121,142.60 : 2,927,237.84 = 1,154,334.14 : x - Step 2: Convert to fraction form
2,121,142.60/2,927,237.84 = 1,154,334.14/x - Step 3: Cross multiply
2,121,142.60x = 2,927,237.84 × 1,154,334.14 - Step 4: Simplify right side
2,121,142.60x = 3,379,010,569,509.89 - Step 5: Solve for x
x = 3,379,010,569,509.89/2,121,142.60 - Step 6: Final answer
x = 1,593,014.34
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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.