Home / 3,117,830.40-4,678,300.80-1,771,027.20

Finding the Fourth Proportional to 3,117,830.40, 4,678,300.80 and 1,771,027.20

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Solution

The fourth proportional to 3,117,830.40, 4,678,300.80 and 1,771,027.20 is: 2,657,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,830.40 : 4,678,300.80 = 1,771,027.20 : x
  2. Step 2: Convert to fraction form
    3,117,830.40/4,678,300.80 = 1,771,027.20/x
  3. Step 3: Cross multiply
    3,117,830.40x = 4,678,300.80 × 1,771,027.20
  4. Step 4: Simplify right side
    3,117,830.40x = 8,285,397,966,581.76
  5. Step 5: Solve for x
    x = 8,285,397,966,581.76/3,117,830.40
  6. Step 6: Final answer
    x = 2,657,424.20

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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.