Finding the Fourth Proportional to 5,779,897.80, 8,669,846.70 and 5,425,603.80
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Solution
The fourth proportional to 5,779,897.80, 8,669,846.70 and 5,425,603.80 is: 8,138,405.70
Step by Step Solution
- Step 1: Write the proportion equation
5,779,897.80 : 8,669,846.70 = 5,425,603.80 : x - Step 2: Convert to fraction form
5,779,897.80/8,669,846.70 = 5,425,603.80/x - Step 3: Cross multiply
5,779,897.80x = 8,669,846.70 × 5,425,603.80 - Step 4: Simplify right side
5,779,897.80x = 47,039,153,200,937.45 - Step 5: Solve for x
x = 47,039,153,200,937.45/5,779,897.80 - Step 6: Final answer
x = 8,138,405.70
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1.5x scale
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.