Finding the Fourth Proportional to 1,868,901.12, 2,803,351.68 and 1,069,625.52
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Solution
The fourth proportional to 1,868,901.12, 2,803,351.68 and 1,069,625.52 is: 1,604,438.28
Step by Step Solution
- Step 1: Write the proportion equation
1,868,901.12 : 2,803,351.68 = 1,069,625.52 : x - Step 2: Convert to fraction form
1,868,901.12/2,803,351.68 = 1,069,625.52/x - Step 3: Cross multiply
1,868,901.12x = 2,803,351.68 × 1,069,625.52 - Step 4: Simplify right side
1,868,901.12x = 2,998,536,498,462.87 - Step 5: Solve for x
x = 2,998,536,498,462.87/1,868,901.12 - Step 6: Final answer
x = 1,604,438.28
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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.