Finding the Fourth Proportional to 1,624,679.10, 2,242,139.94 and 899,606.79
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Solution
The fourth proportional to 1,624,679.10, 2,242,139.94 and 899,606.79 is: 1,241,503.21
Step by Step Solution
- Step 1: Write the proportion equation
1,624,679.10 : 2,242,139.94 = 899,606.79 : x - Step 2: Convert to fraction form
1,624,679.10/2,242,139.94 = 899,606.79/x - Step 3: Cross multiply
1,624,679.10x = 2,242,139.94 × 899,606.79 - Step 4: Simplify right side
1,624,679.10x = 2,017,044,314,154.19 - Step 5: Solve for x
x = 2,017,044,314,154.19/1,624,679.10 - Step 6: Final answer
x = 1,241,503.21
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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.