Home / 5,478,631.74-8,219,068.38-1,883,931.66

Finding the Fourth Proportional to 5,478,631.74, 8,219,068.38 and 1,883,931.66

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Solution

The fourth proportional to 5,478,631.74, 8,219,068.38 and 1,883,931.66 is: 2,826,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,631.74 : 8,219,068.38 = 1,883,931.66 : x
  2. Step 2: Convert to fraction form
    5,478,631.74/8,219,068.38 = 1,883,931.66/x
  3. Step 3: Cross multiply
    5,478,631.74x = 8,219,068.38 × 1,883,931.66
  4. Step 4: Simplify right side
    5,478,631.74x = 15,484,163,136,786.91
  5. Step 5: Solve for x
    x = 15,484,163,136,786.91/5,478,631.74
  6. Step 6: Final answer
    x = 2,826,282.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.