Finding the Fourth Proportional to 1,501,030.98, 2,071,419.99 and 812,702.70
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Solution
The fourth proportional to 1,501,030.98, 2,071,419.99 and 812,702.70 is: 1,121,528.23
Step by Step Solution
- Step 1: Write the proportion equation
1,501,030.98 : 2,071,419.99 = 812,702.70 : x - Step 2: Convert to fraction form
1,501,030.98/2,071,419.99 = 812,702.70/x - Step 3: Cross multiply
1,501,030.98x = 2,071,419.99 × 812,702.70 - Step 4: Simplify right side
1,501,030.98x = 1,683,448,618,706.97 - Step 5: Solve for x
x = 1,683,448,618,706.97/1,501,030.98 - Step 6: Final answer
x = 1,121,528.23
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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.