Finding the Fourth Proportional to 2,121,126, 2,927,154.36 and 1,167,270
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Solution
The fourth proportional to 2,121,126, 2,927,154.36 and 1,167,270 is: 1,610,832.86
Step by Step Solution
- Step 1: Write the proportion equation
2,121,126 : 2,927,154.36 = 1,167,270 : x - Step 2: Convert to fraction form
2,121,126/2,927,154.36 = 1,167,270/x - Step 3: Cross multiply
2,121,126x = 2,927,154.36 × 1,167,270 - Step 4: Simplify right side
2,121,126x = 3,416,779,469,797.20 - Step 5: Solve for x
x = 3,416,779,469,797.20/2,121,126 - Step 6: Final answer
x = 1,610,832.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.