Finding the Fourth Proportional to 1,742,421.06, 2,613,762.81 and 480,237.75
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Solution
The fourth proportional to 1,742,421.06, 2,613,762.81 and 480,237.75 is: 720,392.79
Step by Step Solution
- Step 1: Write the proportion equation
1,742,421.06 : 2,613,762.81 = 480,237.75 : x - Step 2: Convert to fraction form
1,742,421.06/2,613,762.81 = 480,237.75/x - Step 3: Cross multiply
1,742,421.06x = 2,613,762.81 × 480,237.75 - Step 4: Simplify right side
1,742,421.06x = 1,255,227,570,908.08 - Step 5: Solve for x
x = 1,255,227,570,908.08/1,742,421.06 - Step 6: Final answer
x = 720,392.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.