Finding the Fourth Proportional to 1,420,347.68, 2,130,663.68 and 409,494.41
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Solution
The fourth proportional to 1,420,347.68, 2,130,663.68 and 409,494.41 is: 614,282.60
Step by Step Solution
- Step 1: Write the proportion equation
1,420,347.68 : 2,130,663.68 = 409,494.41 : x - Step 2: Convert to fraction form
1,420,347.68/2,130,663.68 = 409,494.41/x - Step 3: Cross multiply
1,420,347.68x = 2,130,663.68 × 409,494.41 - Step 4: Simplify right side
1,420,347.68x = 872,494,864,502.56 - Step 5: Solve for x
x = 872,494,864,502.56/1,420,347.68 - Step 6: Final answer
x = 614,282.60
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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.