Finding the Fourth Proportional to 2,104,128.65, 2,903,696.28 and 1,137,258.99
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Solution
The fourth proportional to 2,104,128.65, 2,903,696.28 and 1,137,258.99 is: 1,569,416.73
Step by Step Solution
- Step 1: Write the proportion equation
2,104,128.65 : 2,903,696.28 = 1,137,258.99 : x - Step 2: Convert to fraction form
2,104,128.65/2,903,696.28 = 1,137,258.99/x - Step 3: Cross multiply
2,104,128.65x = 2,903,696.28 × 1,137,258.99 - Step 4: Simplify right side
2,104,128.65x = 3,302,254,698,659.56 - Step 5: Solve for x
x = 3,302,254,698,659.56/2,104,128.65 - Step 6: Final answer
x = 1,569,416.73
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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.