Home / 5,223,328.16-7,208,206.88-2,900,225.18

Finding the Fourth Proportional to 5,223,328.16, 7,208,206.88 and 2,900,225.18

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Solution

The fourth proportional to 5,223,328.16, 7,208,206.88 and 2,900,225.18 is: 4,002,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223,328.16 : 7,208,206.88 = 2,900,225.18 : x
  2. Step 2: Convert to fraction form
    5,223,328.16/7,208,206.88 = 2,900,225.18/x
  3. Step 3: Cross multiply
    5,223,328.16x = 7,208,206.88 × 2,900,225.18
  4. Step 4: Simplify right side
    5,223,328.16x = 20,905,423,099,544.63
  5. Step 5: Solve for x
    x = 20,905,423,099,544.63/5,223,328.16
  6. Step 6: Final answer
    x = 4,002,318.54

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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.