Finding the Fourth Proportional to 1,751,981.96, 2,417,168.97 and 977,487.23
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Solution
The fourth proportional to 1,751,981.96, 2,417,168.97 and 977,487.23 is: 1,348,616.51
Step by Step Solution
- Step 1: Write the proportion equation
1,751,981.96 : 2,417,168.97 = 977,487.23 : x - Step 2: Convert to fraction form
1,751,981.96/2,417,168.97 = 977,487.23/x - Step 3: Cross multiply
1,751,981.96x = 2,417,168.97 × 977,487.23 - Step 4: Simplify right side
1,751,981.96x = 2,362,751,788,841.41 - Step 5: Solve for x
x = 2,362,751,788,841.41/1,751,981.96 - Step 6: Final answer
x = 1,348,616.51
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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.