Finding the Fourth Proportional to 1,964,971.59, 2,947,457.13 and 545,027.68
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Solution
The fourth proportional to 1,964,971.59, 2,947,457.13 and 545,027.68 is: 817,541.45
Step by Step Solution
- Step 1: Write the proportion equation
1,964,971.59 : 2,947,457.13 = 545,027.68 : x - Step 2: Convert to fraction form
1,964,971.59/2,947,457.13 = 545,027.68/x - Step 3: Cross multiply
1,964,971.59x = 2,947,457.13 × 545,027.68 - Step 4: Simplify right side
1,964,971.59x = 1,606,445,721,463.36 - Step 5: Solve for x
x = 1,606,445,721,463.36/1,964,971.59 - Step 6: Final answer
x = 817,541.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.