Finding the Fourth Proportional to 1,768,602.60, 2,646,780.30 and 1,059,139.80
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Solution
The fourth proportional to 1,768,602.60, 2,646,780.30 and 1,059,139.80 is: 1,585,042.54
Step by Step Solution
- Step 1: Write the proportion equation
1,768,602.60 : 2,646,780.30 = 1,059,139.80 : x - Step 2: Convert to fraction form
1,768,602.60/2,646,780.30 = 1,059,139.80/x - Step 3: Cross multiply
1,768,602.60x = 2,646,780.30 × 1,059,139.80 - Step 4: Simplify right side
1,768,602.60x = 2,803,310,357,585.94 - Step 5: Solve for x
x = 2,803,310,357,585.94/1,768,602.60 - Step 6: Final answer
x = 1,585,042.54
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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.