Finding the Fourth Proportional to 1,838,973.19, 2,537,743.39 and 1,064,636.75
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Solution
The fourth proportional to 1,838,973.19, 2,537,743.39 and 1,064,636.75 is: 1,469,175.78
Step by Step Solution
- Step 1: Write the proportion equation
1,838,973.19 : 2,537,743.39 = 1,064,636.75 : x - Step 2: Convert to fraction form
1,838,973.19/2,537,743.39 = 1,064,636.75/x - Step 3: Cross multiply
1,838,973.19x = 2,537,743.39 × 1,064,636.75 - Step 4: Simplify right side
1,838,973.19x = 2,701,774,875,063.58 - Step 5: Solve for x
x = 2,701,774,875,063.58/1,838,973.19 - Step 6: Final answer
x = 1,469,175.78
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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.