Finding the Fourth Proportional to 1,488,442.18, 2,053,987.71 and 843,905.74
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Solution
The fourth proportional to 1,488,442.18, 2,053,987.71 and 843,905.74 is: 1,164,554.49
Step by Step Solution
- Step 1: Write the proportion equation
1,488,442.18 : 2,053,987.71 = 843,905.74 : x - Step 2: Convert to fraction form
1,488,442.18/2,053,987.71 = 843,905.74/x - Step 3: Cross multiply
1,488,442.18x = 2,053,987.71 × 843,905.74 - Step 4: Simplify right side
1,488,442.18x = 1,733,372,018,358.46 - Step 5: Solve for x
x = 1,733,372,018,358.46/1,488,442.18 - Step 6: Final answer
x = 1,164,554.49
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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.