Finding the Fourth Proportional to 1,546,746.81, 2,134,533.62 and 858,463.03
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Solution
The fourth proportional to 1,546,746.81, 2,134,533.62 and 858,463.03 is: 1,184,691.75
Step by Step Solution
- Step 1: Write the proportion equation
1,546,746.81 : 2,134,533.62 = 858,463.03 : x - Step 2: Convert to fraction form
1,546,746.81/2,134,533.62 = 858,463.03/x - Step 3: Cross multiply
1,546,746.81x = 2,134,533.62 × 858,463.03 - Step 4: Simplify right side
1,546,746.81x = 1,832,418,187,040.79 - Step 5: Solve for x
x = 1,832,418,187,040.79/1,546,746.81 - Step 6: Final answer
x = 1,184,691.75
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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.