Finding the Fourth Proportional to 2,687,302.13, 3,708,476.93 and 1,480,078.13
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Solution
The fourth proportional to 2,687,302.13, 3,708,476.93 and 1,480,078.13 is: 2,042,507.81
Step by Step Solution
- Step 1: Write the proportion equation
2,687,302.13 : 3,708,476.93 = 1,480,078.13 : x - Step 2: Convert to fraction form
2,687,302.13/3,708,476.93 = 1,480,078.13/x - Step 3: Cross multiply
2,687,302.13x = 3,708,476.93 × 1,480,078.13 - Step 4: Simplify right side
2,687,302.13x = 5,488,835,599,702.54 - Step 5: Solve for x
x = 5,488,835,599,702.54/2,687,302.13 - Step 6: Final answer
x = 2,042,507.81
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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.