Finding the Fourth Proportional to 1,417,396.09, 2,127,090.44 and 1,281,878.64
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Solution
The fourth proportional to 1,417,396.09, 2,127,090.44 and 1,281,878.64 is: 1,923,719.01
Step by Step Solution
- Step 1: Write the proportion equation
1,417,396.09 : 2,127,090.44 = 1,281,878.64 : x - Step 2: Convert to fraction form
1,417,396.09/2,127,090.44 = 1,281,878.64/x - Step 3: Cross multiply
1,417,396.09x = 2,127,090.44 × 1,281,878.64 - Step 4: Simplify right side
1,417,396.09x = 2,726,671,800,384.20 - Step 5: Solve for x
x = 2,726,671,800,384.20/1,417,396.09 - Step 6: Final answer
x = 1,923,719.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.