Finding the Fourth Proportional to 2,118,948.33, 2,924,248.67 and 1,201,195.26
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Solution
The fourth proportional to 2,118,948.33, 2,924,248.67 and 1,201,195.26 is: 1,657,706.13
Step by Step Solution
- Step 1: Write the proportion equation
2,118,948.33 : 2,924,248.67 = 1,201,195.26 : x - Step 2: Convert to fraction form
2,118,948.33/2,924,248.67 = 1,201,195.26/x - Step 3: Cross multiply
2,118,948.33x = 2,924,248.67 × 1,201,195.26 - Step 4: Simplify right side
2,118,948.33x = 3,512,593,641,465.30 - Step 5: Solve for x
x = 3,512,593,641,465.30/2,118,948.33 - Step 6: Final answer
x = 1,657,706.13
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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.