Finding the Fourth Proportional to 2,219,278.74, 3,064,719.82 and 2,098,374.18
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Solution
The fourth proportional to 2,219,278.74, 3,064,719.82 and 2,098,374.18 is: 2,897,756.30
Step by Step Solution
- Step 1: Write the proportion equation
2,219,278.74 : 3,064,719.82 = 2,098,374.18 : x - Step 2: Convert to fraction form
2,219,278.74/3,064,719.82 = 2,098,374.18/x - Step 3: Cross multiply
2,219,278.74x = 3,064,719.82 × 2,098,374.18 - Step 4: Simplify right side
2,219,278.74x = 6,430,928,939,222.25 - Step 5: Solve for x
x = 6,430,928,939,222.25/2,219,278.74 - Step 6: Final answer
x = 2,897,756.30
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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.