Finding the Fourth Proportional to 2,838,962.16, 3,917,776.68 and 1,820,370.96
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Solution
The fourth proportional to 2,838,962.16, 3,917,776.68 and 1,820,370.96 is: 2,512,117.63
Step by Step Solution
- Step 1: Write the proportion equation
2,838,962.16 : 3,917,776.68 = 1,820,370.96 : x - Step 2: Convert to fraction form
2,838,962.16/3,917,776.68 = 1,820,370.96/x - Step 3: Cross multiply
2,838,962.16x = 3,917,776.68 × 1,820,370.96 - Step 4: Simplify right side
2,838,962.16x = 7,131,806,896,037.21 - Step 5: Solve for x
x = 7,131,806,896,037.21/2,838,962.16 - Step 6: Final answer
x = 2,512,117.63
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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.