Home / 2,208,411-3,047,578.02-1,228,343.40

Finding the Fourth Proportional to 2,208,411, 3,047,578.02 and 1,228,343.40

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Solution

The fourth proportional to 2,208,411, 3,047,578.02 and 1,228,343.40 is: 1,695,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,411 : 3,047,578.02 = 1,228,343.40 : x
  2. Step 2: Convert to fraction form
    2,208,411/3,047,578.02 = 1,228,343.40/x
  3. Step 3: Cross multiply
    2,208,411x = 3,047,578.02 × 1,228,343.40
  4. Step 4: Simplify right side
    2,208,411x = 3,743,472,346,852.07
  5. Step 5: Solve for x
    x = 3,743,472,346,852.07/2,208,411
  6. Step 6: Final answer
    x = 1,695,097.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.