Finding the Fourth Proportional to 1,420,584.14, 2,130,985.56 and 473,953.34
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Solution
The fourth proportional to 1,420,584.14, 2,130,985.56 and 473,953.34 is: 710,966.49
Step by Step Solution
- Step 1: Write the proportion equation
1,420,584.14 : 2,130,985.56 = 473,953.34 : x - Step 2: Convert to fraction form
1,420,584.14/2,130,985.56 = 473,953.34/x - Step 3: Cross multiply
1,420,584.14x = 2,130,985.56 × 473,953.34 - Step 4: Simplify right side
1,420,584.14x = 1,009,987,723,653.77 - Step 5: Solve for x
x = 1,009,987,723,653.77/1,420,584.14 - Step 6: Final answer
x = 710,966.49
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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.