Finding the Fourth Proportional to 6,430,607.06, 8,862,004.88 and 6,312,428.26
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Solution
The fourth proportional to 6,430,607.06, 8,862,004.88 and 6,312,428.26 is: 8,699,142.95
Step by Step Solution
- Step 1: Write the proportion equation
6,430,607.06 : 8,862,004.88 = 6,312,428.26 : x - Step 2: Convert to fraction form
6,430,607.06/8,862,004.88 = 6,312,428.26/x - Step 3: Cross multiply
6,430,607.06x = 8,862,004.88 × 6,312,428.26 - Step 4: Simplify right side
6,430,607.06x = 55,940,770,044,769.91 - Step 5: Solve for x
x = 55,940,770,044,769.91/6,430,607.06 - Step 6: Final answer
x = 8,699,142.95
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1.5x scale
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.