Home / 5,100,416-7,038,574.08-2,808,571.22

Finding the Fourth Proportional to 5,100,416, 7,038,574.08 and 2,808,571.22

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Solution

The fourth proportional to 5,100,416, 7,038,574.08 and 2,808,571.22 is: 3,875,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,416 : 7,038,574.08 = 2,808,571.22 : x
  2. Step 2: Convert to fraction form
    5,100,416/7,038,574.08 = 2,808,571.22/x
  3. Step 3: Cross multiply
    5,100,416x = 7,038,574.08 × 2,808,571.22
  4. Step 4: Simplify right side
    5,100,416x = 19,768,336,590,925.98
  5. Step 5: Solve for x
    x = 19,768,336,590,925.98/5,100,416
  6. Step 6: Final answer
    x = 3,875,828.28

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1.5x scale

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.