Finding the Fourth Proportional to 2,455,971.60, 3,389,345.40 and 1,368,242.56
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Solution
The fourth proportional to 2,455,971.60, 3,389,345.40 and 1,368,242.56 is: 1,888,233.00
Step by Step Solution
- Step 1: Write the proportion equation
2,455,971.60 : 3,389,345.40 = 1,368,242.56 : x - Step 2: Convert to fraction form
2,455,971.60/3,389,345.40 = 1,368,242.56/x - Step 3: Cross multiply
2,455,971.60x = 3,389,345.40 × 1,368,242.56 - Step 4: Simplify right side
2,455,971.60x = 4,637,446,626,820.22 - Step 5: Solve for x
x = 4,637,446,626,820.22/2,455,971.60 - Step 6: Final answer
x = 1,888,233.00
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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.