Finding the Fourth Proportional to 3,058,681.14, 4,588,021.45 and 1,456,386.53
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Solution
The fourth proportional to 3,058,681.14, 4,588,021.45 and 1,456,386.53 is: 2,184,579.66
Step by Step Solution
- Step 1: Write the proportion equation
3,058,681.14 : 4,588,021.45 = 1,456,386.53 : x - Step 2: Convert to fraction form
3,058,681.14/4,588,021.45 = 1,456,386.53/x - Step 3: Cross multiply
3,058,681.14x = 4,588,021.45 × 1,456,386.53 - Step 4: Simplify right side
3,058,681.14x = 6,681,932,618,011.44 - Step 5: Solve for x
x = 6,681,932,618,011.44/3,058,681.14 - Step 6: Final answer
x = 2,184,579.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.