Finding the Fourth Proportional to 2,201,509.13, 3,038,088.06 and 1,284,368.81
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Solution
The fourth proportional to 2,201,509.13, 3,038,088.06 and 1,284,368.81 is: 1,772,432.14
Step by Step Solution
- Step 1: Write the proportion equation
2,201,509.13 : 3,038,088.06 = 1,284,368.81 : x - Step 2: Convert to fraction form
2,201,509.13/3,038,088.06 = 1,284,368.81/x - Step 3: Cross multiply
2,201,509.13x = 3,038,088.06 × 1,284,368.81 - Step 4: Simplify right side
2,201,509.13x = 3,902,025,531,106.97 - Step 5: Solve for x
x = 3,902,025,531,106.97/2,201,509.13 - Step 6: Final answer
x = 1,772,432.14
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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.