Finding the Fourth Proportional to 3,270,980.79, 4,513,953.68 and 1,820,645.13
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Solution
The fourth proportional to 3,270,980.79, 4,513,953.68 and 1,820,645.13 is: 2,512,490.38
Step by Step Solution
- Step 1: Write the proportion equation
3,270,980.79 : 4,513,953.68 = 1,820,645.13 : x - Step 2: Convert to fraction form
3,270,980.79/4,513,953.68 = 1,820,645.13/x - Step 3: Cross multiply
3,270,980.79x = 4,513,953.68 × 1,820,645.13 - Step 4: Simplify right side
3,270,980.79x = 8,218,307,775,434.35 - Step 5: Solve for x
x = 8,218,307,775,434.35/3,270,980.79 - Step 6: Final answer
x = 2,512,490.38
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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.