Finding the Fourth Proportional to 1,386,970.99, 2,080,373.45 and 577,150.88
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Solution
The fourth proportional to 1,386,970.99, 2,080,373.45 and 577,150.88 is: 865,691.76
Step by Step Solution
- Step 1: Write the proportion equation
1,386,970.99 : 2,080,373.45 = 577,150.88 : x - Step 2: Convert to fraction form
1,386,970.99/2,080,373.45 = 577,150.88/x - Step 3: Cross multiply
1,386,970.99x = 2,080,373.45 × 577,150.88 - Step 4: Simplify right side
1,386,970.99x = 1,200,689,354,108.51 - Step 5: Solve for x
x = 1,200,689,354,108.51/1,386,970.99 - Step 6: Final answer
x = 865,691.76
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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.