Home / 1,918,877.80-2,880,159.90-973,316.20

Finding the Fourth Proportional to 1,918,877.80, 2,880,159.90 and 973,316.20

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Solution

The fourth proportional to 1,918,877.80, 2,880,159.90 and 973,316.20 is: 1,460,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,877.80 : 2,880,159.90 = 973,316.20 : x
  2. Step 2: Convert to fraction form
    1,918,877.80/2,880,159.90 = 973,316.20/x
  3. Step 3: Cross multiply
    1,918,877.80x = 2,880,159.90 × 973,316.20
  4. Step 4: Simplify right side
    1,918,877.80x = 2,803,306,289,260.38
  5. Step 5: Solve for x
    x = 2,803,306,289,260.38/1,918,877.80
  6. Step 6: Final answer
    x = 1,460,909.23

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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.