Finding the Fourth Proportional to 1,910,232.68, 2,635,881.80 and 1,291,384.56
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Solution
The fourth proportional to 1,910,232.68, 2,635,881.80 and 1,291,384.56 is: 1,781,948.92
Step by Step Solution
- Step 1: Write the proportion equation
1,910,232.68 : 2,635,881.80 = 1,291,384.56 : x - Step 2: Convert to fraction form
1,910,232.68/2,635,881.80 = 1,291,384.56/x - Step 3: Cross multiply
1,910,232.68x = 2,635,881.80 × 1,291,384.56 - Step 4: Simplify right side
1,910,232.68x = 3,403,937,058,505.01 - Step 5: Solve for x
x = 3,403,937,058,505.01/1,910,232.68 - Step 6: Final answer
x = 1,781,948.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.