Home / 1,470,624.98-2,199,165.28-1,398,880.45

Finding the Fourth Proportional to 1,470,624.98, 2,199,165.28 and 1,398,880.45

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Solution

The fourth proportional to 1,470,624.98, 2,199,165.28 and 1,398,880.45 is: 2,091,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,624.98 : 2,199,165.28 = 1,398,880.45 : x
  2. Step 2: Convert to fraction form
    1,470,624.98/2,199,165.28 = 1,398,880.45/x
  3. Step 3: Cross multiply
    1,470,624.98x = 2,199,165.28 × 1,398,880.45
  4. Step 4: Simplify right side
    1,470,624.98x = 3,076,369,303,392.23
  5. Step 5: Solve for x
    x = 3,076,369,303,392.23/1,470,624.98
  6. Step 6: Final answer
    x = 2,091,878.86

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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.