Finding the Fourth Proportional to 5,357,480.15, 7,393,389.84 and 2,910,132.06
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Solution
The fourth proportional to 5,357,480.15, 7,393,389.84 and 2,910,132.06 is: 4,016,018.77
Step by Step Solution
- Step 1: Write the proportion equation
5,357,480.15 : 7,393,389.84 = 2,910,132.06 : x - Step 2: Convert to fraction form
5,357,480.15/7,393,389.84 = 2,910,132.06/x - Step 3: Cross multiply
5,357,480.15x = 7,393,389.84 × 2,910,132.06 - Step 4: Simplify right side
5,357,480.15x = 21,515,740,805,462.27 - Step 5: Solve for x
x = 21,515,740,805,462.27/5,357,480.15 - Step 6: Final answer
x = 4,016,018.77
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1.5x scale
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.