Finding the Fourth Proportional to 1,803,428.56, 2,488,701 and 998,595.28
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Solution
The fourth proportional to 1,803,428.56, 2,488,701 and 998,595.28 is: 1,378,044.65
Step by Step Solution
- Step 1: Write the proportion equation
1,803,428.56 : 2,488,701 = 998,595.28 : x - Step 2: Convert to fraction form
1,803,428.56/2,488,701 = 998,595.28/x - Step 3: Cross multiply
1,803,428.56x = 2,488,701 × 998,595.28 - Step 4: Simplify right side
1,803,428.56x = 2,485,205,071,931.28 - Step 5: Solve for x
x = 2,485,205,071,931.28/1,803,428.56 - Step 6: Final answer
x = 1,378,044.65
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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.