Home / 1,695,808.60-2,547,860.10-1,275,904.60

Finding the Fourth Proportional to 1,695,808.60, 2,547,860.10 and 1,275,904.60

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Solution

The fourth proportional to 1,695,808.60, 2,547,860.10 and 1,275,904.60 is: 1,916,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,808.60 : 2,547,860.10 = 1,275,904.60 : x
  2. Step 2: Convert to fraction form
    1,695,808.60/2,547,860.10 = 1,275,904.60/x
  3. Step 3: Cross multiply
    1,695,808.60x = 2,547,860.10 × 1,275,904.60
  4. Step 4: Simplify right side
    1,695,808.60x = 3,250,826,421,746.46
  5. Step 5: Solve for x
    x = 3,250,826,421,746.46/1,695,808.60
  6. Step 6: Final answer
    x = 1,916,977.20

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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.