Home / 1,971,031.60-2,956,547.40-908,149.60

Finding the Fourth Proportional to 1,971,031.60, 2,956,547.40 and 908,149.60

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Solution

The fourth proportional to 1,971,031.60, 2,956,547.40 and 908,149.60 is: 1,362,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,031.60 : 2,956,547.40 = 908,149.60 : x
  2. Step 2: Convert to fraction form
    1,971,031.60/2,956,547.40 = 908,149.60/x
  3. Step 3: Cross multiply
    1,971,031.60x = 2,956,547.40 × 908,149.60
  4. Step 4: Simplify right side
    1,971,031.60x = 2,684,987,338,691.04
  5. Step 5: Solve for x
    x = 2,684,987,338,691.04/1,971,031.60
  6. Step 6: Final answer
    x = 1,362,224.40

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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.