Finding the Fourth Proportional to 1,490,303.67, 2,056,668.68 and 837,044.63
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Solution
The fourth proportional to 1,490,303.67, 2,056,668.68 and 837,044.63 is: 1,155,149.46
Step by Step Solution
- Step 1: Write the proportion equation
1,490,303.67 : 2,056,668.68 = 837,044.63 : x - Step 2: Convert to fraction form
1,490,303.67/2,056,668.68 = 837,044.63/x - Step 3: Cross multiply
1,490,303.67x = 2,056,668.68 × 837,044.63 - Step 4: Simplify right side
1,490,303.67x = 1,721,523,486,550.78 - Step 5: Solve for x
x = 1,721,523,486,550.78/1,490,303.67 - Step 6: Final answer
x = 1,155,149.46
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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.