Finding the Fourth Proportional to 1,420,183.98, 2,130,319.71 and 621,054.18
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Solution
The fourth proportional to 1,420,183.98, 2,130,319.71 and 621,054.18 is: 931,600.40
Step by Step Solution
- Step 1: Write the proportion equation
1,420,183.98 : 2,130,319.71 = 621,054.18 : x - Step 2: Convert to fraction form
1,420,183.98/2,130,319.71 = 621,054.18/x - Step 3: Cross multiply
1,420,183.98x = 2,130,319.71 × 621,054.18 - Step 4: Simplify right side
1,420,183.98x = 1,323,043,960,631.89 - Step 5: Solve for x
x = 1,323,043,960,631.89/1,420,183.98 - Step 6: Final answer
x = 931,600.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.