Finding the Fourth Proportional to 1,477,554.13, 2,216,331.80 and 355,623.13
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Solution
The fourth proportional to 1,477,554.13, 2,216,331.80 and 355,623.13 is: 533,434.84
Step by Step Solution
- Step 1: Write the proportion equation
1,477,554.13 : 2,216,331.80 = 355,623.13 : x - Step 2: Convert to fraction form
1,477,554.13/2,216,331.80 = 355,623.13/x - Step 3: Cross multiply
1,477,554.13x = 2,216,331.80 × 355,623.13 - Step 4: Simplify right side
1,477,554.13x = 788,178,851,834.53 - Step 5: Solve for x
x = 788,178,851,834.53/1,477,554.13 - Step 6: Final answer
x = 533,434.84
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1.5x scale
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.