Finding the Fourth Proportional to 1,553,899.55, 2,330,068.28 and 905,684.49
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Solution
The fourth proportional to 1,553,899.55, 2,330,068.28 and 905,684.49 is: 1,358,071.51
Step by Step Solution
- Step 1: Write the proportion equation
1,553,899.55 : 2,330,068.28 = 905,684.49 : x - Step 2: Convert to fraction form
1,553,899.55/2,330,068.28 = 905,684.49/x - Step 3: Cross multiply
1,553,899.55x = 2,330,068.28 × 905,684.49 - Step 4: Simplify right side
1,553,899.55x = 2,110,306,697,308.55 - Step 5: Solve for x
x = 2,110,306,697,308.55/1,553,899.55 - Step 6: Final answer
x = 1,358,071.51
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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.