Finding the Fourth Proportional to 7,564,979.04, 10,439,245.76 and 4,302,587.40
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Solution
The fourth proportional to 7,564,979.04, 10,439,245.76 and 4,302,587.40 is: 5,937,328.71
Step by Step Solution
- Step 1: Write the proportion equation
7,564,979.04 : 10,439,245.76 = 4,302,587.40 : x - Step 2: Convert to fraction form
7,564,979.04/10,439,245.76 = 4,302,587.40/x - Step 3: Cross multiply
7,564,979.04x = 10,439,245.76 × 4,302,587.40 - Step 4: Simplify right side
7,564,979.04x = 44,915,767,250,966.49 - Step 5: Solve for x
x = 44,915,767,250,966.49/7,564,979.04 - Step 6: Final answer
x = 5,937,328.71
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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.