Home / 3,130,000.80-4,705,498.80-2,668,106.40

Finding the Fourth Proportional to 3,130,000.80, 4,705,498.80 and 2,668,106.40

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Solution

The fourth proportional to 3,130,000.80, 4,705,498.80 and 2,668,106.40 is: 4,011,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,000.80 : 4,705,498.80 = 2,668,106.40 : x
  2. Step 2: Convert to fraction form
    3,130,000.80/4,705,498.80 = 2,668,106.40/x
  3. Step 3: Cross multiply
    3,130,000.80x = 4,705,498.80 × 2,668,106.40
  4. Step 4: Simplify right side
    3,130,000.80x = 12,554,771,463,472.32
  5. Step 5: Solve for x
    x = 12,554,771,463,472.32/3,130,000.80
  6. Step 6: Final answer
    x = 4,011,108.07

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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.