Finding the Fourth Proportional to 2,220,258.76, 3,063,956.94 and 1,201,663.48
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Solution
The fourth proportional to 2,220,258.76, 3,063,956.94 and 1,201,663.48 is: 1,658,295.52
Step by Step Solution
- Step 1: Write the proportion equation
2,220,258.76 : 3,063,956.94 = 1,201,663.48 : x - Step 2: Convert to fraction form
2,220,258.76/3,063,956.94 = 1,201,663.48/x - Step 3: Cross multiply
2,220,258.76x = 3,063,956.94 × 1,201,663.48 - Step 4: Simplify right side
2,220,258.76x = 3,681,845,159,090.55 - Step 5: Solve for x
x = 3,681,845,159,090.55/2,220,258.76 - Step 6: Final answer
x = 1,658,295.52
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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.