Finding the Fourth Proportional to 2,316,595.24, 3,196,899.18 and 1,298,007.28
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Solution
The fourth proportional to 2,316,595.24, 3,196,899.18 and 1,298,007.28 is: 1,791,248.79
Step by Step Solution
- Step 1: Write the proportion equation
2,316,595.24 : 3,196,899.18 = 1,298,007.28 : x - Step 2: Convert to fraction form
2,316,595.24/3,196,899.18 = 1,298,007.28/x - Step 3: Cross multiply
2,316,595.24x = 3,196,899.18 × 1,298,007.28 - Step 4: Simplify right side
2,316,595.24x = 4,149,598,409,066.03 - Step 5: Solve for x
x = 4,149,598,409,066.03/2,316,595.24 - Step 6: Final answer
x = 1,791,248.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.