Finding the Fourth Proportional to 1,604,656.80, 2,214,136.08 and 1,031,565.60
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Solution
The fourth proportional to 1,604,656.80, 2,214,136.08 and 1,031,565.60 is: 1,423,373.90
Step by Step Solution
- Step 1: Write the proportion equation
1,604,656.80 : 2,214,136.08 = 1,031,565.60 : x - Step 2: Convert to fraction form
1,604,656.80/2,214,136.08 = 1,031,565.60/x - Step 3: Cross multiply
1,604,656.80x = 2,214,136.08 × 1,031,565.60 - Step 4: Simplify right side
1,604,656.80x = 2,284,026,613,846.85 - Step 5: Solve for x
x = 2,284,026,613,846.85/1,604,656.80 - Step 6: Final answer
x = 1,423,373.90
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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.