Finding the Fourth Proportional to 5,712,711.60, 7,883,541.36 and 3,265,374.96
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Solution
The fourth proportional to 5,712,711.60, 7,883,541.36 and 3,265,374.96 is: 4,506,217.07
Step by Step Solution
- Step 1: Write the proportion equation
5,712,711.60 : 7,883,541.36 = 3,265,374.96 : x - Step 2: Convert to fraction form
5,712,711.60/7,883,541.36 = 3,265,374.96/x - Step 3: Cross multiply
5,712,711.60x = 7,883,541.36 × 3,265,374.96 - Step 4: Simplify right side
5,712,711.60x = 25,742,718,553,068.35 - Step 5: Solve for x
x = 25,742,718,553,068.35/5,712,711.60 - Step 6: Final answer
x = 4,506,217.07
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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.