Finding the Fourth Proportional to 1,970,572.08, 2,719,387.71 and 1,065,154.08
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Solution
The fourth proportional to 1,970,572.08, 2,719,387.71 and 1,065,154.08 is: 1,469,911.68
Step by Step Solution
- Step 1: Write the proportion equation
1,970,572.08 : 2,719,387.71 = 1,065,154.08 : x - Step 2: Convert to fraction form
1,970,572.08/2,719,387.71 = 1,065,154.08/x - Step 3: Cross multiply
1,970,572.08x = 2,719,387.71 × 1,065,154.08 - Step 4: Simplify right side
1,970,572.08x = 2,896,566,914,408.36 - Step 5: Solve for x
x = 2,896,566,914,408.36/1,970,572.08 - Step 6: Final answer
x = 1,469,911.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.