Finding the Fourth Proportional to 1,930,954.04, 2,664,745.80 and 1,071,569.96
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Solution
The fourth proportional to 1,930,954.04, 2,664,745.80 and 1,071,569.96 is: 1,478,782.76
Step by Step Solution
- Step 1: Write the proportion equation
1,930,954.04 : 2,664,745.80 = 1,071,569.96 : x - Step 2: Convert to fraction form
1,930,954.04/2,664,745.80 = 1,071,569.96/x - Step 3: Cross multiply
1,930,954.04x = 2,664,745.80 × 1,071,569.96 - Step 4: Simplify right side
1,930,954.04x = 2,855,461,550,316.17 - Step 5: Solve for x
x = 2,855,461,550,316.17/1,930,954.04 - Step 6: Final answer
x = 1,478,782.76
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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.