Finding the Fourth Proportional to 2,964,903.18, 4,092,005.16 and 1,877,275.68
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Solution
The fourth proportional to 2,964,903.18, 4,092,005.16 and 1,877,275.68 is: 2,590,918.25
Step by Step Solution
- Step 1: Write the proportion equation
2,964,903.18 : 4,092,005.16 = 1,877,275.68 : x - Step 2: Convert to fraction form
2,964,903.18/4,092,005.16 = 1,877,275.68/x - Step 3: Cross multiply
2,964,903.18x = 4,092,005.16 × 1,877,275.68 - Step 4: Simplify right side
2,964,903.18x = 7,681,821,769,302.51 - Step 5: Solve for x
x = 7,681,821,769,302.51/2,964,903.18 - Step 6: Final answer
x = 2,590,918.25
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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.