Finding the Fourth Proportional to 1,962,307.52, 2,708,080.80 and 1,198,237.76
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Solution
The fourth proportional to 1,962,307.52, 2,708,080.80 and 1,198,237.76 is: 1,653,626.99
Step by Step Solution
- Step 1: Write the proportion equation
1,962,307.52 : 2,708,080.80 = 1,198,237.76 : x - Step 2: Convert to fraction form
1,962,307.52/2,708,080.80 = 1,198,237.76/x - Step 3: Cross multiply
1,962,307.52x = 2,708,080.80 × 1,198,237.76 - Step 4: Simplify right side
1,962,307.52x = 3,244,924,671,691.01 - Step 5: Solve for x
x = 3,244,924,671,691.01/1,962,307.52 - Step 6: Final answer
x = 1,653,626.99
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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.