Finding the Fourth Proportional to 5,706,886.34, 7,875,502.44 and 3,128,585.34
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Solution
The fourth proportional to 5,706,886.34, 7,875,502.44 and 3,128,585.34 is: 4,317,447.38
Step by Step Solution
- Step 1: Write the proportion equation
5,706,886.34 : 7,875,502.44 = 3,128,585.34 : x - Step 2: Convert to fraction form
5,706,886.34/7,875,502.44 = 3,128,585.34/x - Step 3: Cross multiply
5,706,886.34x = 7,875,502.44 × 3,128,585.34 - Step 4: Simplify right side
5,706,886.34x = 24,639,181,478,918.23 - Step 5: Solve for x
x = 24,639,181,478,918.23/5,706,886.34 - Step 6: Final answer
x = 4,317,447.38
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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.