Finding the Fourth Proportional to 5,312,567.48, 7,331,309.19 and 3,020,728.10
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Solution
The fourth proportional to 5,312,567.48, 7,331,309.19 and 3,020,728.10 is: 4,168,585.48
Step by Step Solution
- Step 1: Write the proportion equation
5,312,567.48 : 7,331,309.19 = 3,020,728.10 : x - Step 2: Convert to fraction form
5,312,567.48/7,331,309.19 = 3,020,728.10/x - Step 3: Cross multiply
5,312,567.48x = 7,331,309.19 × 3,020,728.10 - Step 4: Simplify right side
5,312,567.48x = 22,145,891,643,364.70 - Step 5: Solve for x
x = 22,145,891,643,364.70/5,312,567.48 - Step 6: Final answer
x = 4,168,585.48
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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.