Home / 1,931,405.60-2,897,108.40-866,482.40

Finding the Fourth Proportional to 1,931,405.60, 2,897,108.40 and 866,482.40

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Solution

The fourth proportional to 1,931,405.60, 2,897,108.40 and 866,482.40 is: 1,299,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,405.60 : 2,897,108.40 = 866,482.40 : x
  2. Step 2: Convert to fraction form
    1,931,405.60/2,897,108.40 = 866,482.40/x
  3. Step 3: Cross multiply
    1,931,405.60x = 2,897,108.40 × 866,482.40
  4. Step 4: Simplify right side
    1,931,405.60x = 2,510,293,439,492.16
  5. Step 5: Solve for x
    x = 2,510,293,439,492.16/1,931,405.60
  6. Step 6: Final answer
    x = 1,299,723.60

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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.