Finding the Fourth Proportional to 1,670,720.72, 2,305,595.57 and 906,774.26
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Solution
The fourth proportional to 1,670,720.72, 2,305,595.57 and 906,774.26 is: 1,251,349.00
Step by Step Solution
- Step 1: Write the proportion equation
1,670,720.72 : 2,305,595.57 = 906,774.26 : x - Step 2: Convert to fraction form
1,670,720.72/2,305,595.57 = 906,774.26/x - Step 3: Cross multiply
1,670,720.72x = 2,305,595.57 × 906,774.26 - Step 4: Simplify right side
1,670,720.72x = 2,090,654,700,784.18 - Step 5: Solve for x
x = 2,090,654,700,784.18/1,670,720.72 - Step 6: Final answer
x = 1,251,349.00
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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.