Finding the Fourth Proportional to 1,721,271.42, 2,581,840.98 and 459,088.02
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Solution
The fourth proportional to 1,721,271.42, 2,581,840.98 and 459,088.02 is: 688,614.39
Step by Step Solution
- Step 1: Write the proportion equation
1,721,271.42 : 2,581,840.98 = 459,088.02 : x - Step 2: Convert to fraction form
1,721,271.42/2,581,840.98 = 459,088.02/x - Step 3: Cross multiply
1,721,271.42x = 2,581,840.98 × 459,088.02 - Step 4: Simplify right side
1,721,271.42x = 1,185,292,263,463.06 - Step 5: Solve for x
x = 1,185,292,263,463.06/1,721,271.42 - Step 6: Final answer
x = 688,614.39
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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.