Finding the Fourth Proportional to 1,487,877.84, 2,053,648.06 and 915,430.60
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Solution
The fourth proportional to 1,487,877.84, 2,053,648.06 and 915,430.60 is: 1,263,525.96
Step by Step Solution
- Step 1: Write the proportion equation
1,487,877.84 : 2,053,648.06 = 915,430.60 : x - Step 2: Convert to fraction form
1,487,877.84/2,053,648.06 = 915,430.60/x - Step 3: Cross multiply
1,487,877.84x = 2,053,648.06 × 915,430.60 - Step 4: Simplify right side
1,487,877.84x = 1,879,972,275,754.64 - Step 5: Solve for x
x = 1,879,972,275,754.64/1,487,877.84 - Step 6: Final answer
x = 1,263,525.96
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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.