Finding the Fourth Proportional to 1,869,206.37, 2,579,501.53 and 1,009,763.97
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Solution
The fourth proportional to 1,869,206.37, 2,579,501.53 and 1,009,763.97 is: 1,393,472.52
Step by Step Solution
- Step 1: Write the proportion equation
1,869,206.37 : 2,579,501.53 = 1,009,763.97 : x - Step 2: Convert to fraction form
1,869,206.37/2,579,501.53 = 1,009,763.97/x - Step 3: Cross multiply
1,869,206.37x = 2,579,501.53 × 1,009,763.97 - Step 4: Simplify right side
1,869,206.37x = 2,604,687,705,553.87 - Step 5: Solve for x
x = 2,604,687,705,553.87/1,869,206.37 - Step 6: Final answer
x = 1,393,472.52
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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.