Finding the Fourth Proportional to 1,615,668.36, 2,426,651.76 and 1,316,370.12
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Solution
The fourth proportional to 1,615,668.36, 2,426,651.76 and 1,316,370.12 is: 1,977,121.02
Step by Step Solution
- Step 1: Write the proportion equation
1,615,668.36 : 2,426,651.76 = 1,316,370.12 : x - Step 2: Convert to fraction form
1,615,668.36/2,426,651.76 = 1,316,370.12/x - Step 3: Cross multiply
1,615,668.36x = 2,426,651.76 × 1,316,370.12 - Step 4: Simplify right side
1,615,668.36x = 3,194,371,868,509.41 - Step 5: Solve for x
x = 3,194,371,868,509.41/1,615,668.36 - Step 6: Final answer
x = 1,977,121.02
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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.