Home / 1,445,933.91-2,155,973.84-1,406,208.18

Finding the Fourth Proportional to 1,445,933.91, 2,155,973.84 and 1,406,208.18

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Solution

The fourth proportional to 1,445,933.91, 2,155,973.84 and 1,406,208.18 is: 2,096,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,933.91 : 2,155,973.84 = 1,406,208.18 : x
  2. Step 2: Convert to fraction form
    1,445,933.91/2,155,973.84 = 1,406,208.18/x
  3. Step 3: Cross multiply
    1,445,933.91x = 2,155,973.84 × 1,406,208.18
  4. Step 4: Simplify right side
    1,445,933.91x = 3,031,748,038,600.52
  5. Step 5: Solve for x
    x = 3,031,748,038,600.52/1,445,933.91
  6. Step 6: Final answer
    x = 2,096,740.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.