Finding the Fourth Proportional to 2,174,264.55, 3,000,490.46 and 1,207,394.81
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Solution
The fourth proportional to 2,174,264.55, 3,000,490.46 and 1,207,394.81 is: 1,666,207.82
Step by Step Solution
- Step 1: Write the proportion equation
2,174,264.55 : 3,000,490.46 = 1,207,394.81 : x - Step 2: Convert to fraction form
2,174,264.55/3,000,490.46 = 1,207,394.81/x - Step 3: Cross multiply
2,174,264.55x = 3,000,490.46 × 1,207,394.81 - Step 4: Simplify right side
2,174,264.55x = 3,622,776,599,070.93 - Step 5: Solve for x
x = 3,622,776,599,070.93/2,174,264.55 - Step 6: Final answer
x = 1,666,207.82
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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.