Finding the Fourth Proportional to 4,974,595.36, 7,461,058.32 and 1,380,727.42
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Solution
The fourth proportional to 4,974,595.36, 7,461,058.32 and 1,380,727.42 is: 2,070,859.45
Step by Step Solution
- Step 1: Write the proportion equation
4,974,595.36 : 7,461,058.32 = 1,380,727.42 : x - Step 2: Convert to fraction form
4,974,595.36/7,461,058.32 = 1,380,727.42/x - Step 3: Cross multiply
4,974,595.36x = 7,461,058.32 × 1,380,727.42 - Step 4: Simplify right side
4,974,595.36x = 10,301,687,804,643.13 - Step 5: Solve for x
x = 10,301,687,804,643.13/4,974,595.36 - Step 6: Final answer
x = 2,070,859.45
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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.