Home / 3,478,886.48-5,220,111-1,585,384.40

Finding the Fourth Proportional to 3,478,886.48, 5,220,111 and 1,585,384.40

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Solution

The fourth proportional to 3,478,886.48, 5,220,111 and 1,585,384.40 is: 2,378,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,886.48 : 5,220,111 = 1,585,384.40 : x
  2. Step 2: Convert to fraction form
    3,478,886.48/5,220,111 = 1,585,384.40/x
  3. Step 3: Cross multiply
    3,478,886.48x = 5,220,111 × 1,585,384.40
  4. Step 4: Simplify right side
    3,478,886.48x = 8,275,882,545,668.40
  5. Step 5: Solve for x
    x = 8,275,882,545,668.40/3,478,886.48
  6. Step 6: Final answer
    x = 2,378,888.36

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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.