Finding the Fourth Proportional to 2,179,089.48, 3,000,298.47 and 1,851,711.99
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Solution
The fourth proportional to 2,179,089.48, 3,000,298.47 and 1,851,711.99 is: 2,549,545.90
Step by Step Solution
- Step 1: Write the proportion equation
2,179,089.48 : 3,000,298.47 = 1,851,711.99 : x - Step 2: Convert to fraction form
2,179,089.48/3,000,298.47 = 1,851,711.99/x - Step 3: Cross multiply
2,179,089.48x = 3,000,298.47 × 1,851,711.99 - Step 4: Simplify right side
2,179,089.48x = 5,555,688,650,477.66 - Step 5: Solve for x
x = 5,555,688,650,477.66/2,179,089.48 - Step 6: Final answer
x = 2,549,545.90
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1.5x scale
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.