Finding the Fourth Proportional to 7,779,378.57, 10,735,260.70 and 4,294,642.62
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Solution
The fourth proportional to 7,779,378.57, 10,735,260.70 and 4,294,642.62 is: 5,926,451.28
Step by Step Solution
- Step 1: Write the proportion equation
7,779,378.57 : 10,735,260.70 = 4,294,642.62 : x - Step 2: Convert to fraction form
7,779,378.57/10,735,260.70 = 4,294,642.62/x - Step 3: Cross multiply
7,779,378.57x = 10,735,260.70 × 4,294,642.62 - Step 4: Simplify right side
7,779,378.57x = 46,104,108,063,881.52 - Step 5: Solve for x
x = 46,104,108,063,881.52/7,779,378.57 - Step 6: Final answer
x = 5,926,451.28
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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.