Finding the Fourth Proportional to 1,868,118.51, 2,577,529.04 and 1,142,701.23
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Solution
The fourth proportional to 1,868,118.51, 2,577,529.04 and 1,142,701.23 is: 1,576,637.45
Step by Step Solution
- Step 1: Write the proportion equation
1,868,118.51 : 2,577,529.04 = 1,142,701.23 : x - Step 2: Convert to fraction form
1,868,118.51/2,577,529.04 = 1,142,701.23/x - Step 3: Cross multiply
1,868,118.51x = 2,577,529.04 × 1,142,701.23 - Step 4: Simplify right side
1,868,118.51x = 2,945,345,598,655.21 - Step 5: Solve for x
x = 2,945,345,598,655.21/1,868,118.51 - Step 6: Final answer
x = 1,576,637.45
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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.