Finding the Fourth Proportional to 2,127,116.70, 3,190,675.05 and 1,455,270.30
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Solution
The fourth proportional to 2,127,116.70, 3,190,675.05 and 1,455,270.30 is: 2,182,905.45
Step by Step Solution
- Step 1: Write the proportion equation
2,127,116.70 : 3,190,675.05 = 1,455,270.30 : x - Step 2: Convert to fraction form
2,127,116.70/3,190,675.05 = 1,455,270.30/x - Step 3: Cross multiply
2,127,116.70x = 3,190,675.05 × 1,455,270.30 - Step 4: Simplify right side
2,127,116.70x = 4,643,294,637,216.01 - Step 5: Solve for x
x = 4,643,294,637,216.01/2,127,116.70 - Step 6: Final answer
x = 2,182,905.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.