Finding the Fourth Proportional to 2,121,570.68, 2,927,829.60 and 1,154,763.56
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Solution
The fourth proportional to 2,121,570.68, 2,927,829.60 and 1,154,763.56 is: 1,593,607.49
Step by Step Solution
- Step 1: Write the proportion equation
2,121,570.68 : 2,927,829.60 = 1,154,763.56 : x - Step 2: Convert to fraction form
2,121,570.68/2,927,829.60 = 1,154,763.56/x - Step 3: Cross multiply
2,121,570.68x = 2,927,829.60 × 1,154,763.56 - Step 4: Simplify right side
2,121,570.68x = 3,380,950,931,969.38 - Step 5: Solve for x
x = 3,380,950,931,969.38/2,121,570.68 - Step 6: Final answer
x = 1,593,607.49
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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.