Home / 1,779,968.20-2,676,173.10-1,742,643.40

Finding the Fourth Proportional to 1,779,968.20, 2,676,173.10 and 1,742,643.40

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Solution

The fourth proportional to 1,779,968.20, 2,676,173.10 and 1,742,643.40 is: 2,620,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,968.20 : 2,676,173.10 = 1,742,643.40 : x
  2. Step 2: Convert to fraction form
    1,779,968.20/2,676,173.10 = 1,742,643.40/x
  3. Step 3: Cross multiply
    1,779,968.20x = 2,676,173.10 × 1,742,643.40
  4. Step 4: Simplify right side
    1,779,968.20x = 4,663,615,389,972.54
  5. Step 5: Solve for x
    x = 4,663,615,389,972.54/1,779,968.20
  6. Step 6: Final answer
    x = 2,620,055.45

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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.