Home / 5,038,581.78-6,939,973.89-4,176,378.90

Finding the Fourth Proportional to 5,038,581.78, 6,939,973.89 and 4,176,378.90

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Solution

The fourth proportional to 5,038,581.78, 6,939,973.89 and 4,176,378.90 is: 5,752,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038,581.78 : 6,939,973.89 = 4,176,378.90 : x
  2. Step 2: Convert to fraction form
    5,038,581.78/6,939,973.89 = 4,176,378.90/x
  3. Step 3: Cross multiply
    5,038,581.78x = 6,939,973.89 × 4,176,378.90
  4. Step 4: Simplify right side
    5,038,581.78x = 28,983,960,520,746.92
  5. Step 5: Solve for x
    x = 28,983,960,520,746.92/5,038,581.78
  6. Step 6: Final answer
    x = 5,752,404.50

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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.