Finding the Fourth Proportional to 1,502,745.48, 2,074,001.42 and 929,970.18
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Solution
The fourth proportional to 1,502,745.48, 2,074,001.42 and 929,970.18 is: 1,283,490.45
Step by Step Solution
- Step 1: Write the proportion equation
1,502,745.48 : 2,074,001.42 = 929,970.18 : x - Step 2: Convert to fraction form
1,502,745.48/2,074,001.42 = 929,970.18/x - Step 3: Cross multiply
1,502,745.48x = 2,074,001.42 × 929,970.18 - Step 4: Simplify right side
1,502,745.48x = 1,928,759,473,877.66 - Step 5: Solve for x
x = 1,928,759,473,877.66/1,502,745.48 - Step 6: Final answer
x = 1,283,490.45
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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.