Finding the Fourth Proportional to 1,985,345.13, 2,970,502.65 and 1,176,163.95
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Solution
The fourth proportional to 1,985,345.13, 2,970,502.65 and 1,176,163.95 is: 1,759,793.84
Step by Step Solution
- Step 1: Write the proportion equation
1,985,345.13 : 2,970,502.65 = 1,176,163.95 : x - Step 2: Convert to fraction form
1,985,345.13/2,970,502.65 = 1,176,163.95/x - Step 3: Cross multiply
1,985,345.13x = 2,970,502.65 × 1,176,163.95 - Step 4: Simplify right side
1,985,345.13x = 3,493,798,130,309.47 - Step 5: Solve for x
x = 3,493,798,130,309.47/1,985,345.13 - Step 6: Final answer
x = 1,759,793.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.