Finding the Fourth Proportional to 1,991,457.72, 2,986,203.54 and 869,041.08
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Solution
The fourth proportional to 1,991,457.72, 2,986,203.54 and 869,041.08 is: 1,303,132.64
Step by Step Solution
- Step 1: Write the proportion equation
1,991,457.72 : 2,986,203.54 = 869,041.08 : x - Step 2: Convert to fraction form
1,991,457.72/2,986,203.54 = 869,041.08/x - Step 3: Cross multiply
1,991,457.72x = 2,986,203.54 × 869,041.08 - Step 4: Simplify right side
1,991,457.72x = 2,595,133,549,501.42 - Step 5: Solve for x
x = 2,595,133,549,501.42/1,991,457.72 - Step 6: Final answer
x = 1,303,132.64
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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.