Finding the Fourth Proportional to 2,184,350.40, 3,014,417.54 and 1,217,541.99
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Solution
The fourth proportional to 2,184,350.40, 3,014,417.54 and 1,217,541.99 is: 1,680,215.74
Step by Step Solution
- Step 1: Write the proportion equation
2,184,350.40 : 3,014,417.54 = 1,217,541.99 : x - Step 2: Convert to fraction form
2,184,350.40/3,014,417.54 = 1,217,541.99/x - Step 3: Cross multiply
2,184,350.40x = 3,014,417.54 × 1,217,541.99 - Step 4: Simplify right side
2,184,350.40x = 3,670,179,930,342.50 - Step 5: Solve for x
x = 3,670,179,930,342.50/2,184,350.40 - Step 6: Final answer
x = 1,680,215.74
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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.