Finding the Fourth Proportional to 1,564,549.83, 2,158,708.73 and 885,486.33
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Solution
The fourth proportional to 1,564,549.83, 2,158,708.73 and 885,486.33 is: 1,221,761.70
Step by Step Solution
- Step 1: Write the proportion equation
1,564,549.83 : 2,158,708.73 = 885,486.33 : x - Step 2: Convert to fraction form
1,564,549.83/2,158,708.73 = 885,486.33/x - Step 3: Cross multiply
1,564,549.83x = 2,158,708.73 × 885,486.33 - Step 4: Simplify right side
1,564,549.83x = 1,911,507,066,439.23 - Step 5: Solve for x
x = 1,911,507,066,439.23/1,564,549.83 - Step 6: Final answer
x = 1,221,761.70
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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.