Finding the Fourth Proportional to 1,903,430.48, 2,626,953.54 and 1,139,483.84
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Solution
The fourth proportional to 1,903,430.48, 2,626,953.54 and 1,139,483.84 is: 1,572,619.09
Step by Step Solution
- Step 1: Write the proportion equation
1,903,430.48 : 2,626,953.54 = 1,139,483.84 : x - Step 2: Convert to fraction form
1,903,430.48/2,626,953.54 = 1,139,483.84/x - Step 3: Cross multiply
1,903,430.48x = 2,626,953.54 × 1,139,483.84 - Step 4: Simplify right side
1,903,430.48x = 2,993,371,107,260.79 - Step 5: Solve for x
x = 2,993,371,107,260.79/1,903,430.48 - Step 6: Final answer
x = 1,572,619.09
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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.