Home / 3,931,604.80-5,423,533.63-2,705,782.12

Finding the Fourth Proportional to 3,931,604.80, 5,423,533.63 and 2,705,782.12

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Solution

The fourth proportional to 3,931,604.80, 5,423,533.63 and 2,705,782.12 is: 3,732,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,604.80 : 5,423,533.63 = 2,705,782.12 : x
  2. Step 2: Convert to fraction form
    3,931,604.80/5,423,533.63 = 2,705,782.12/x
  3. Step 3: Cross multiply
    3,931,604.80x = 5,423,533.63 × 2,705,782.12
  4. Step 4: Simplify right side
    3,931,604.80x = 14,674,900,323,272.70
  5. Step 5: Solve for x
    x = 14,674,900,323,272.70/3,931,604.80
  6. Step 6: Final answer
    x = 3,732,547.16

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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.