Finding the Fourth Proportional to 1,720,869.03, 2,374,801.25 and 956,906.19
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Solution
The fourth proportional to 1,720,869.03, 2,374,801.25 and 956,906.19 is: 1,320,531.65
Step by Step Solution
- Step 1: Write the proportion equation
1,720,869.03 : 2,374,801.25 = 956,906.19 : x - Step 2: Convert to fraction form
1,720,869.03/2,374,801.25 = 956,906.19/x - Step 3: Cross multiply
1,720,869.03x = 2,374,801.25 × 956,906.19 - Step 4: Simplify right side
1,720,869.03x = 2,272,462,011,360.21 - Step 5: Solve for x
x = 2,272,462,011,360.21/1,720,869.03 - Step 6: Final answer
x = 1,320,531.65
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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.