Finding the Fourth Proportional to 5,316,386.24, 7,974,193.88 and 2,077,314.86
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Solution
The fourth proportional to 5,316,386.24, 7,974,193.88 and 2,077,314.86 is: 3,115,821.67
Step by Step Solution
- Step 1: Write the proportion equation
5,316,386.24 : 7,974,193.88 = 2,077,314.86 : x - Step 2: Convert to fraction form
5,316,386.24/7,974,193.88 = 2,077,314.86/x - Step 3: Cross multiply
5,316,386.24x = 7,974,193.88 × 2,077,314.86 - Step 4: Simplify right side
5,316,386.24x = 16,564,911,468,573.83 - Step 5: Solve for x
x = 16,564,911,468,573.83/5,316,386.24 - Step 6: Final answer
x = 3,115,821.67
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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.