Finding the Fourth Proportional to 2,896,430.40, 4,346,719.20 and 1,214,740.80
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Solution
The fourth proportional to 2,896,430.40, 4,346,719.20 and 1,214,740.80 is: 1,822,980.85
Step by Step Solution
- Step 1: Write the proportion equation
2,896,430.40 : 4,346,719.20 = 1,214,740.80 : x - Step 2: Convert to fraction form
2,896,430.40/4,346,719.20 = 1,214,740.80/x - Step 3: Cross multiply
2,896,430.40x = 4,346,719.20 × 1,214,740.80 - Step 4: Simplify right side
2,896,430.40x = 5,280,137,158,383.36 - Step 5: Solve for x
x = 5,280,137,158,383.36/2,896,430.40 - Step 6: Final answer
x = 1,822,980.85
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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.