Finding the Fourth Proportional to 2,031,465.12, 2,803,403.88 and 1,113,677.52
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Solution
The fourth proportional to 2,031,465.12, 2,803,403.88 and 1,113,677.52 is: 1,536,865.12
Step by Step Solution
- Step 1: Write the proportion equation
2,031,465.12 : 2,803,403.88 = 1,113,677.52 : x - Step 2: Convert to fraction form
2,031,465.12/2,803,403.88 = 1,113,677.52/x - Step 3: Cross multiply
2,031,465.12x = 2,803,403.88 × 1,113,677.52 - Step 4: Simplify right side
2,031,465.12x = 3,122,087,880,636.78 - Step 5: Solve for x
x = 3,122,087,880,636.78/2,031,465.12 - Step 6: Final answer
x = 1,536,865.12
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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.