Finding the Fourth Proportional to 1,692,298.78, 2,335,358.60 and 917,927.68
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Solution
The fourth proportional to 1,692,298.78, 2,335,358.60 and 917,927.68 is: 1,266,732.76
Step by Step Solution
- Step 1: Write the proportion equation
1,692,298.78 : 2,335,358.60 = 917,927.68 : x - Step 2: Convert to fraction form
1,692,298.78/2,335,358.60 = 917,927.68/x - Step 3: Cross multiply
1,692,298.78x = 2,335,358.60 × 917,927.68 - Step 4: Simplify right side
1,692,298.78x = 2,143,690,297,065.73 - Step 5: Solve for x
x = 2,143,690,297,065.73/1,692,298.78 - Step 6: Final answer
x = 1,266,732.76
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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.