Finding the Fourth Proportional to 5,031,802.71, 6,942,064.23 and 2,855,085.12
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Solution
The fourth proportional to 5,031,802.71, 6,942,064.23 and 2,855,085.12 is: 3,938,982.79
Step by Step Solution
- Step 1: Write the proportion equation
5,031,802.71 : 6,942,064.23 = 2,855,085.12 : x - Step 2: Convert to fraction form
5,031,802.71/6,942,064.23 = 2,855,085.12/x - Step 3: Cross multiply
5,031,802.71x = 6,942,064.23 × 2,855,085.12 - Step 4: Simplify right side
5,031,802.71x = 19,820,184,285,157.26 - Step 5: Solve for x
x = 19,820,184,285,157.26/5,031,802.71 - Step 6: Final answer
x = 3,938,982.79
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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.