Finding the Fourth Proportional to 1,571,129.53, 2,357,727.65 and 861,655.79
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Solution
The fourth proportional to 1,571,129.53, 2,357,727.65 and 861,655.79 is: 1,293,050.41
Step by Step Solution
- Step 1: Write the proportion equation
1,571,129.53 : 2,357,727.65 = 861,655.79 : x - Step 2: Convert to fraction form
1,571,129.53/2,357,727.65 = 861,655.79/x - Step 3: Cross multiply
1,571,129.53x = 2,357,727.65 × 861,655.79 - Step 4: Simplify right side
1,571,129.53x = 2,031,549,685,682.84 - Step 5: Solve for x
x = 2,031,549,685,682.84/1,571,129.53 - Step 6: Final answer
x = 1,293,050.41
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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.