Home / 1,890,284.36-2,835,427.13-470,340.45

Finding the Fourth Proportional to 1,890,284.36, 2,835,427.13 and 470,340.45

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Solution

The fourth proportional to 1,890,284.36, 2,835,427.13 and 470,340.45 is: 705,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,284.36 : 2,835,427.13 = 470,340.45 : x
  2. Step 2: Convert to fraction form
    1,890,284.36/2,835,427.13 = 470,340.45/x
  3. Step 3: Cross multiply
    1,890,284.36x = 2,835,427.13 × 470,340.45
  4. Step 4: Simplify right side
    1,890,284.36x = 1,333,616,069,914.71
  5. Step 5: Solve for x
    x = 1,333,616,069,914.71/1,890,284.36
  6. Step 6: Final answer
    x = 705,510.82

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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.