Finding the Fourth Proportional to 1,507,972, 2,081,005.68 and 863,402.08
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Solution
The fourth proportional to 1,507,972, 2,081,005.68 and 863,402.08 is: 1,191,497.34
Step by Step Solution
- Step 1: Write the proportion equation
1,507,972 : 2,081,005.68 = 863,402.08 : x - Step 2: Convert to fraction form
1,507,972/2,081,005.68 = 863,402.08/x - Step 3: Cross multiply
1,507,972x = 2,081,005.68 × 863,402.08 - Step 4: Simplify right side
1,507,972x = 1,796,744,632,603.81 - Step 5: Solve for x
x = 1,796,744,632,603.81/1,507,972 - Step 6: Final answer
x = 1,191,497.34
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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.