Finding the Fourth Proportional to 1,712,662.03, 2,363,371.98 and 938,138.03
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Solution
The fourth proportional to 1,712,662.03, 2,363,371.98 and 938,138.03 is: 1,294,574.82
Step by Step Solution
- Step 1: Write the proportion equation
1,712,662.03 : 2,363,371.98 = 938,138.03 : x - Step 2: Convert to fraction form
1,712,662.03/2,363,371.98 = 938,138.03/x - Step 3: Cross multiply
1,712,662.03x = 2,363,371.98 × 938,138.03 - Step 4: Simplify right side
1,712,662.03x = 2,217,169,125,632.21 - Step 5: Solve for x
x = 2,217,169,125,632.21/1,712,662.03 - Step 6: Final answer
x = 1,294,574.82
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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.