Home / 1,890,017.78-2,835,036.95-470,073.87

Finding the Fourth Proportional to 1,890,017.78, 2,835,036.95 and 470,073.87

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Solution

The fourth proportional to 1,890,017.78, 2,835,036.95 and 470,073.87 is: 705,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,017.78 : 2,835,036.95 = 470,073.87 : x
  2. Step 2: Convert to fraction form
    1,890,017.78/2,835,036.95 = 470,073.87/x
  3. Step 3: Cross multiply
    1,890,017.78x = 2,835,036.95 × 470,073.87
  4. Step 4: Simplify right side
    1,890,017.78x = 1,332,676,788,329.13
  5. Step 5: Solve for x
    x = 1,332,676,788,329.13/1,890,017.78
  6. Step 6: Final answer
    x = 705,113.36

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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.