Finding the Fourth Proportional to 1,420,395.36, 2,130,601.08 and 473,763.48
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Solution
The fourth proportional to 1,420,395.36, 2,130,601.08 and 473,763.48 is: 710,647.90
Step by Step Solution
- Step 1: Write the proportion equation
1,420,395.36 : 2,130,601.08 = 473,763.48 : x - Step 2: Convert to fraction form
1,420,395.36/2,130,601.08 = 473,763.48/x - Step 3: Cross multiply
1,420,395.36x = 2,130,601.08 × 473,763.48 - Step 4: Simplify right side
1,420,395.36x = 1,009,400,982,152.56 - Step 5: Solve for x
x = 1,009,400,982,152.56/1,420,395.36 - Step 6: Final answer
x = 710,647.90
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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.